{"title":"Open Box Regulators","description":"","products":[{"product_id":"used-oceanic-slimline-3-octopus","title":"Open Box OCEANIC SLIMLINE 3 OCTOPUS","description":"\u003cp\u003eOpen Box Oceanic SlimLine 3 Octopus is a low-profile, streamlined alternate air source that sits flat to reduce drag and prevent tangles during scuba dives. The flat design minimizes bulk while a tough housing and rubber front cover deliver years of trouble-free diving. A large, high-visibility purge button is easily identified in an emergency, helping divers stay calm and oriented underwater.\u003c\/p\u003e \u003cp\u003eCondition: Open Box. Generally unused, with minor blemishes not noticeable after 1-2 dives, and original packaging may be damaged or missing. This item does not carry a valid manufacturer warranty.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Like New","offer_id":45721683624157,"sku":"OCNC-40.4244.18+LN","price":134.26,"currency_code":"USD","in_stock":true},{"title":"Very Good","offer_id":42997630304477,"sku":"OCNC-40.4244.18+VG","price":101.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_5a68e474-eff5-4930-84d8-23d5068f675b.jpg?v=1764979630"},{"product_id":"used-oceanic-delta-5-edx-yoke","title":"Used OCEANIC DELTA 5 + EDX, YOKE","description":"\u003cp\u003eUsed Oceanic Delta 5 + EDX regulator set with Yoke connection for scuba diving gear. The Delta 5 second stage and EDX first stage are designed to perform across a wide range of water conditions, delivering reliable airflow from shallow dives to deeper explorations.\u003c\/p\u003e \u003cp\u003eThe Delta 5 features a dive\/pre-dive switch and a patented dynamic airflow adjustment control, plus a pneumatically balanced all-metal valve and a mechanical purge button for consistent airflow during purge. The EDX first stage is a balanced diaphragm design with a sealed valve for cold-water readiness, offering LP and HP ports, nitrox compatibility up to 40%, and a heat exchanger for improved cold-water performance. The mouthpiece is orthodontic with bite tabs, and the front profile measures 2.5 inches in diameter. Optional components include a swivel adapter, and a Miflex braided hose is included with complete models only.\u003c\/p\u003e \u003cp\u003eCondition: Used. May show signs of use with minor blemishes; original packaging may be damaged or missing. This item does not carry a valid manufacturer warranty. A 30-day satisfaction guarantee applies.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Black \/ Yoke \/ Like New","offer_id":42997630435549,"sku":"OCNC-40.7590.07+LN","price":473.96,"currency_code":"USD","in_stock":true},{"title":"Black \/ DIN \/ Like New","offer_id":46209952612573,"sku":null,"price":494.99,"currency_code":"USD","in_stock":false},{"title":"White \/ Yoke \/ Like New","offer_id":43222077604061,"sku":"OCNC-40-7590-24+LN","price":509.96,"currency_code":"USD","in_stock":false},{"title":"White \/ DIN \/ Like New","offer_id":46209952645341,"sku":"OCNC-40.7591.24+LN","price":473.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_fe1374c6-507d-4d5f-a681-d6dd83ab13db.jpg?v=1764978533"},{"product_id":"used-mares-epic-adj-82x-regulator-din","title":"Used Mares Epic ADJ 82X Regulator","description":"\u003cp\u003eThe Epic 82X scuba diving regulator combines the traditional advantages of Mares regulators with the latest technological innovations and exclusive design. The regulator features a first stage with an always dry rotating turret and a state-of-the-art second stage with the Twin Power system.\u003c\/p\u003e\n\u003cb\u003eFirst Stage\u003c\/b\u003e\n\u003cp\u003eThe first stage of the Epic Adj 82X has a 360° rotating turret. The special design of the HP outlets (OPD) allows the high-pressure hose and\/or computer transmitter to be pre-oriented at all times, regardless of the position of the first stage, offering maximum comfort.\u003c\/p\u003e\n\u003cp\u003eThe 82X is a balanced membrane first stage. Thanks to these features, it always guarantees top performance and reliability at any depth and with any supply pressure. A careful study of the flows has made it possible to optimise the internal air passages that guarantee a natural DFC, obtaining high air flows on all the low pressure outlets.\u003c\/p\u003e\n\u003cp\u003eThe new \u003cb\u003eAST\u003c\/b\u003e (Auto-Sealing Technology) anti-flooding system is incorporated as standard in the 82X first stage: the system is automatically activated by the gas flow without any mechanical solution for maximum reliability and creates anti-flooding protection that keeps the first stage dry in all conditions.\u003c\/p\u003e\n\u003cp\u003eThe forging process used to make the body results in a \u003cb\u003ecompact, lightweight and attractive looking\u003c\/b\u003e product, making the Epic Adj 82X's first stage unique. It is available with an INT or DIN connection.\u003c\/p\u003e\n\u003cb\u003eSecond Stage\u003c\/b\u003e\n\u003cp\u003eThe second stage of the Epic Adj 82X diving regulator was designed by Mares to be the absolute top of the line. The VAD system exploits the Venturi effect by conveying 90% of the air inside a side by-pass. The airflow passes through it without encountering any levers and\/or mechanisms, ensuring maximum performance even in extreme situations, such as diving in cold water.\u003c\/p\u003e\n\u003cp\u003eThe Twin Power System allows the VAD system's air flow to be controlled, ensuring natural breathing at any depth and providing the necessary amount of air in relation to the diver's demand.\u003c\/p\u003e\n\u003cp\u003eBreathing comfort is adjustable according to the diver's needs thanks to a knob, which is easy to use even with thick gloves; a feature that Mares also applies to the purge button, which is large and pivoting, for easy and immediate use. Pneumatic balancing completes the list of advantages of this second stage.\u003c\/p\u003e\n\u003cb\u003eSpecifics\u003c\/b\u003e\n\u003cli\u003eMaterial: All Metal Technology\u003c\/li\u003e\n\u003cli\u003eFirst stage: Balanced Diaphragm\u003c\/li\u003e\n\u003cli\u003eFirst stage weight INT: 964g \/ 34oz\u003c\/li\u003e\n\u003cli\u003eFirst stage weight DIN: 790g \/ 27.9oz\u003c\/li\u003e\n\u003cli\u003eSecond stage weight: 329g \/ 11.6oz\u003c\/li\u003e\n\u003cli\u003eTotal weight (g) INT: 1429g \/ 50.4oz\u003c\/li\u003e\n\u003cli\u003eTotal weight DIN: 1255g \/ 44.3oz\u003c\/li\u003e\n\u003cli\u003eHigh pressure ports: 2 HP 7\/16\" UNF\u003c\/li\u003e\n\u003cli\u003eLow pressure ports: 5 LP 3\/8\" UNF\u003c\/li\u003e\n\u003cli\u003eHose type: Superflex Hose\u003c\/li\u003e\n\u003cli\u003eGas used: Air\u003c\/li\u003e\n\u003cli\u003eHose length: 75cm\u003c\/li\u003e","brand":"Mares","offers":[{"title":"Like New \/ DIN","offer_id":46951507853533,"sku":"MAR-416247DIN+LN","price":789.96,"currency_code":"USD","in_stock":true},{"title":"Like New \/ YOKE","offer_id":46951517028573,"sku":"MAR-416247INT+LN","price":789.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_0c8d52d6-35c1-47fc-a499-ab436defe685.jpg?v=1764373093"},{"product_id":"used-hollis-500se-dc7-din","title":"Used Hollis 500SE + DC7 DIN","description":"\u003cp\u003eOld School. New Tech. The new 500SE utilizes a servo controlled valve to provide precision airflow and unparalleled performance for both air and trimix divers in a side exhaust configuration.\u003c\/p\u003e","brand":"Hollis","offers":[{"title":"Like New","offer_id":43604289781981,"sku":"HOL-240.3501.07.M+LN","price":576.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_c3331f80-eb43-42ed-b953-703846c26b00.jpg?v=1765322711"},{"product_id":"used-hollis-150lx-dc7-yoke","title":"Used Hollis 150LX + DC7 Yoke","description":"\u003cp\u003eThe 150LX regulator is similar in design and performance to the 200LX but without the PVD Plating and diver inhalation adjustment. The 150LX delivers great performance at a moderate price. This second stage is paired with the DC7 for a great travel the world design or for those divers looking for great performance and certified to 40% oxygen. The 150LX is also paired with the workhorse HO2 1st Stage for use with 100% oxygen.\u003c\/p\u003e\r\n\u003cp\u003eThe second stage front metal ring, packing nut \u0026amp; end cap are all made of 316 Stainless Steel. All LX regulators come standard with MiFlex® hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration. The LX regulators come standard with Hollis’s Lifetime Warranty, 2-Year Service Interval and Free Parts for Life. \u003c\/p\u003e","brand":"Hollis","offers":[{"title":"Like New","offer_id":43604361380061,"sku":"HOL-240.1504.07.M+LN","price":434.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/used-hollis-150lx-dc7-yoke-like-new.jpg?v=1743751833"},{"product_id":"open-box-zeagle-envoy-ii-1st-stage-yoke-with-envoy-2nd-stage","title":"Open Box Zeagle Envoy II 1st Stage Yoke with Envoy 2nd Stage","description":"\u003cp\u003eTremendous value. Uncompromising performance.\u003c\/p\u003e\r\n\u003cp\u003eThe Envoy II is an incredible value, meeting or exceeding the performance of regulators that cost much more.\u003c\/p\u003e\r\n\u003cp\u003eEnvoy II is an economical regulator that doesn’t compromise on performance or reliability. Its lightweight first stage, with balanced diaphragm, is available in DIN or Yoke, and its 2nd stage has a downstream valve and Dive\/Pre-dive Venturi control (with 30? hose length).\u003c\/p\u003e\r\n\u003cp\u003eLight and comfortable, the Envoy II Second Stage is compact enough to use as a backup but robust enough to rely on as your primary go-to regulator.\u003c\/p\u003e","brand":"Zeagle","offers":[{"title":"Default Title","offer_id":44250855604445,"sku":"ZGL-350-3310+OB","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-zeagle-envoy-ii-1st-stage-yoke-with-envoy-2nd-stage.jpg?v=1743756763"},{"product_id":"open-box-zeagle-envoy-ii-1st-stage-din-with-envoy-2nd-stage","title":"Open Box Zeagle Envoy II 1st Stage DIN with Envoy 2nd Stage","description":"Tremendous value. Uncompromising performance. \u003cbr\u003e\u003cbr\u003e\nThe Envoy II is an incredible value, meeting or exceeding the performance of regulators that cost much more. \u003cbr\u003e\u003cbr\u003e\nEnvoy II is an economical regulator that doesn’t compromise on performance or reliability. Its lightweight first stage, with balanced diaphragm, is available in DIN or Yoke, and its 2nd stage has a downstream valve and Dive\/Pre-dive Venturi control (with 30? hose length).\u003cbr\u003e\u003cbr\u003e\nLight and comfortable, the Envoy II Second Stage is compact enough to use as a backup but robust enough to rely on as your primary go-to regulator.","brand":"Zeagle","offers":[{"title":"Default Title","offer_id":44250863632605,"sku":"ZGL-350-3320+OB","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-zeagle-envoy-ii-1st-stage-din-with-envoy-2nd-stage.jpg?v=1743756764"},{"product_id":"open-box-tusa-regulator-carry-bag-sb-2","title":"Open Box Tusa Regulator Carry Bag (Sb-2)","description":"\u003cdiv\u003e\n\u003cp\u003eThis Open Box Tusa regulator carry bag (Sb-2) is designed to protect your regulator and related scuba gear during transport and storage. It features fully lined thick padding to cushion your equipment, a durable zipper with pull tabs for secure access, and a convenient internal pocket for logs and manuals. A padded shoulder strap provides comfortable, hands-free carrying between dives.\u003c\/p\u003e\n\u003cp\u003eOpen Box condition notes: May be missing original packaging and show minor blemishes (not noticeable after 1–2 dives). This item does not carry a manufacturer warranty.\u003c\/p\u003e\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":44251026817245,"sku":"TUS-RCB-1+OB","price":35.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-tusa-regulator-carry-bag-sb-2.jpg?v=1743756851"},{"product_id":"used-scubapro-mk2-evo-din-regulator-first-stage","title":"Used Scubapro MK2 EVO DIN Regulator First Stage","description":"\u003cp\u003ePerfect for divers who prefer simplicity and affordability, the MK2 EVO is an ideal go-anywhere regulator. It stands out as the sole downstream piston-style first stage featuring internal components explicitly engineered to withstand freezing in even the harshest cold-water environments.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"DIN","offer_id":44956735570141,"sku":"SPRO-10.063.300+OB","price":242.99,"currency_code":"USD","in_stock":true},{"title":"YOKE","offer_id":44956739961053,"sku":"SPRO-10.063.000+OB","price":242.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/used-scubapro-mk2-evo-din-regulator-first-stage-din.jpg?v=1743758059"},{"product_id":"used-scubapro-scuba-diving-mk21-cap-alternative-kit-first-stage-regulator-accessory","title":"Used Scubapro Scuba Diving MK21 Cap Alternative Kit First Stage Regulator Accessory","description":"\u003cp\u003eScubapro MK21 Kit, 5 Port Cap Optional Replaceable Head for optimal positioning with 4 LP routing configurations (0\/30 degrees) plus a 5th, central LP HF port. Ideal for technical diving.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256282476765,"sku":"SPRO-10.721.004+OB","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_4c27627e-d911-4960-b986-5edb460ff843.jpg?v=1762993587"},{"product_id":"used-scubapro-s270-octopus","title":"Used Scubapro S270 Octopus","description":"\u003cp\u003eThe S270 Octopus is the perfect backup breather for your dive system. It is durable, dependable, and user-friendly. With its air-balanced design, you can trust it to provide exceptional breathing performance in critical situations.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256283689181,"sku":"SPRO-11.270.200+OB","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/used-scubapro-s270-octopus.jpg?v=1743758068"},{"product_id":"used-scubapro-mk2-evo-din300-s270","title":"Used Scubapro MK2 EVO DIN300\/S270","description":"\u003cp\u003eRecreational divers looking for solid performance in a regulator system and ready to step up from their entry-level systems are going to love the MK2 EVO\/S270. The S270 second stage features an air-balanced design whose compact casing and internal aerodynamics produce extremely low work of breathing. Teamed with SCUBAPRO’s classic MK2 EVO, the only downstream piston-style first stage with internal components specifically designed to resist freezing in extreme cold-water conditions, this regulator combo is affordable and durable while delivering smooth and reliable breathing performance.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256286572765,"sku":"SPRO-12.127.300+OB","price":479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_7aca9fca-c885-4bfc-aa3e-cd20b2fde21c.jpg?v=1762471960"},{"product_id":"used-scubapro-mk-11-s270-regulator-yoke","title":"Used Scubapro MK 11\/S270 Regulator Yoke","description":"\u003cp\u003eFor divers seeking reliable performance in an uncomplicated air delivery system, the MK11 \/ S270 is easy to use, compact and durable. The balanced diaphragm MK11 delivers effortless airflow unaffected by depth, tank pressure or breathing rate. The compact S270 provides smooth breathing performance in a bulletproof anti-scratch design that’s able to handle years of hard use.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256288669917,"sku":"SPRO-12.177.000+OB","price":483.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_77538540-9552-4d12-b10f-5dfd5974e051.jpg?v=1762471309"},{"product_id":"used-scubapro-mk25-evo-g260-dive-regulator-system-int","title":"Used Scubapro MK25 EVO\/G260 DIVE REGULATOR SYSTEM, INT","description":"\u003cp\u003eWhen you team SCUBAPRO's flagship first stage with a second stage engineered to excel in harsh conditions, you get a system that any recreational or technical diver can take on any dive, anywhere in the world, and be assured of rock-solid performance and reliability. The MK25 EVO\/G260 is just such a system. The MK25 EVO delivers an ultra-fast breathing response, great sensitivity and extra-high airflow, making it the ultimate do-it-all first stage for all water temperatures. The G260 is the most imitated air balanced second stage of all time. It features metal internal components and a left-right hose attachment option, making it a great choice for tech diving configurations and a consistent top-of-the-line performer.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256289947869,"sku":"SPRO-12.252.010+OB","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_55a842ad-c6e2-406c-b418-f7321cfe13dc.jpg?v=1762302943"},{"product_id":"used-scubapro-mk19-evo-g260-regulator-yoke","title":"Used Scubapro MK19 EVO\/G260 Regulator Yoke","description":"\u003cp\u003eIf you dive deep, dive cold, or often find yourself on silty bottoms, the MK19 EVO\/G260 is the regulator for you. While you don’t need to dive less-than-pristine waters to appreciate this system, it’s a great choice for cold water or harsh conditions, which is why tech divers and cave explorers just love this reg. The compact MK19 EVO is completely sealed off from the elements, ensuring trouble-free operation no matter how cold or murky the water gets. The G260 is the most imitated air balanced second stage of all time. It features metal internal components and a left-right hose attachment option, making it a great choice for tech diving configurations and a consistent top-of-the-line performer. Put them together and you’ve got a winner.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256293421277,"sku":"SPRO-12.255.010+OB","price":850.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_321847dd-619d-4569-a527-655c5a2b11e7.jpg?v=1762471663"},{"product_id":"used-scubapro-mk25-evo-s620ti-regulator-yoke","title":"Used Scubapro MK25 EVO\/S620Ti Regulator","description":"\u003cp\u003eSCUBAPRO combines its premium high-performance MK25 EVO first stage with its high-performance S620 Ti second stage to create a winning all-purpose, all weather regulator system. The MK25 EVO offers excellent resistance to freezing, superb inhalation sensitivity and instant delivery of air on demand. The S620 Ti embraces the best features of SCUBAPRO's renowned S600 in an upgraded, state-of-the-art design. Smaller and lighter than the S600 but using the same-sized diaphragm, the S620 Ti delivers effortless airflow under all dive conditions. The full titanium inlet tube is ultralight, the large purge button improves water circulation, and the reengineered exhaust tee increases performance while directing bubbles out of the field of view. In all water temperatures, in all dive conditions, this reg system is a winner.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"YOKE","offer_id":46834614141149,"sku":"SPRO-12.620.000+OB","price":947.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_9c72b4ae-f74c-4425-9e88-226e86a8c760.jpg?v=1762385396"},{"product_id":"used-scubapro-mk25t-evo-din300-s620-x-ti","title":"Used Scubapro MK25T EVO 300\/S620 X - TI DIN","description":"\u003cp\u003eSCUBAPRO’s top regulator technology is on display in this high-tech, ultralight reg system. The MK25T EVO is machined from a solid block of titanium which will not corrode, even in concentrated saltwater conditions, promising years of trouble-free use. It offers excellent resistance to freezing, superb inhalation sensitivity and instant delivery of air on demand. The new S620 X-Ti embraces the best features of SCUBAPRO’s renowned S600 in an upgraded, state-of-the-art design. Smaller and lighter but using the same-sized diaphragm, the S620 X-Ti delivers effortless airflow under all dive conditions. The titanium inlet tube is super-efficient, the large purge button improves water circulation and the new exhaust tee enhances overall performance.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256306430173,"sku":"SPRO-12.620.600+OB","price":2227.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_3aa4fbe6-e8bd-48d1-9680-fb5c760f55b0.jpg?v=1762385704"},{"product_id":"used-scubapro-mk19-evo-bt-din300-g260-carbon-bt","title":"Used Scubapro MK19 EVO BT DIN300\/G260 Carbon BT","description":"\u003cp\u003eAn upgrade to our popular G260 technical diving system, the MK19 EVO BT\/G260 Carbon BT regulator system delivers superior durability with a premium carbon fiber front cover and a corrosion resistant Black Tech DLC coating. It’s designed to be the best regulator system for cold water, silty diving conditions and technical diving.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256308953309,"sku":"SPRO-12.719.600+OB","price":1212.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_9eb8b921-2223-4c25-ba7c-f7e9782f610d.jpg?v=1763065888"},{"product_id":"used-scubapro-mk25-evo-a700-dive-regulator-system-int","title":"Used Scubapro MK25 EVO\/A700 DIVE REGULATOR SYSTEM, INT","description":"\u003cp\u003eThe MK25 EVO\/A700 ensures reliable and effortless air delivery, even in challenging conditions. The MK25 EVO first stage offers fast breathing response, instant air delivery, sensitivity, and high airflow. The A700 second stage features a sturdy metal casing, screw-down cover, metal valve housing, and over-molded accents for a strong design. Together, they provide exceptional breathing performance in any environment.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256309805277,"sku":"SPRO-12.770.040+OB","price":1002.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_fd0dd796-50d5-498a-8dd5-7ea0ff060590.jpg?v=1762384864"},{"product_id":"used-scubapro-mk25-evo-a700-carbon-bt-dive-regulator-system-int","title":"Used Scubapro MK25 EVO\/A700 Carbon BT DIVE REGULATOR SYSTEM, INT","description":"\u003cp\u003eThe premium MK25 EVO\/CARBON BLACK TECH is the best-breathing reg in SCUBAPRO's line. It's the leader in advanced design and materials. The A700 CARBON's main casing is full metal to take advantage of the high heat exchange rate for cold-water diving. Its front cover is handmade out of lightweight and durable carbon fiber. The A700 CARBON is teamed with the MK25 EVO, widely considered the gold standard in first stage performance. Finishing off this premium air delivery system is a DLC (Diamond-Like Carbon) Black Tech coating. Put it all together and you have diving's ultimate muscle reg that looks great, is ultra-durable, and delivers the best breathing performance around.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256310657245,"sku":"SPRO-12.770.700+OB","price":1398.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_8615e05a-83af-456f-9b22-5a57cc1fe8ca.jpg?v=1762471762"},{"product_id":"used-scubapro-mk25-evo-a700-carbon-bt-dive-regulator-system-din","title":"Used Scubapro MK25 EVO\/A700 Carbon BT DIVE REGULATOR SYSTEM, DIN","description":"\u003cp\u003eThe premium MK25 EVO\/CARBON BLACK TECH is the best-breathing reg in SCUBAPRO's line. It's the leader in advanced design and materials. The A700 CARBON's main casing is full metal to take advantage of the high heat exchange rate for cold-water diving. Its front cover is handmade out of lightweight and durable carbon fiber. The A700 CARBON is teamed with the MK25 EVO, widely considered the gold standard in first stage performance. Finishing off this premium air delivery system is a DLC (Diamond-Like Carbon) Black Tech coating. Put it all together and you have diving's ultimate muscle reg that looks great, is ultra-durable, and delivers the best breathing performance around.\u003c\/p\u003e","brand":"Scubapro","offers":[{"title":"Default Title","offer_id":44256311771357,"sku":"SPRO-12.770.800+OB","price":1398.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_1cc41323-d4be-48b9-b29f-090eaff008de.jpg?v=1762469182"},{"product_id":"open-box-oceanic-alpha-8-sp5-yoke","title":"Used Oceanic Alpha 8 + SP5, Yoke","description":"\u003cp\u003eUsed Oceanic Alpha 8 + SP5 regulator with yoke mount offers reliable scuba diving performance at an accessible price. The Alpha 8 system is designed for steady breathing and dependable operation across a range of diving conditions, featuring a Demand Valve, Balancing System, Integrated Purge Button, and Orthodontic Mouthpiece for a comfortable fit. It is Nitrox-compatible up to 40%, and its compact front profile (2.9 inches) and weight of 6 ounces (without hose) support a streamlined gear setup. This regulator is designed to be economical to maintain while delivering solid performance within a standard scuba gear collection.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCondition Note\u003c\/b\u003e: May be missing original packaging and minor blemishes (not noticeable after 1-2 dives). This product does not carry a valid manufacturer warranty.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Like New","offer_id":44279446634717,"sku":"OCNC-40.3520.29+LN","price":248.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_9328048b-70a1-4032-9c89-dfc1c151e612.jpg?v=1764980307"},{"product_id":"open-box-hollis-150lx-h02-din-o2-regulator","title":"Open Box Hollis 150LX + H02 DIN (O2 Regulator)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe 150LX regulator is similar in design and performance to the 200LX but without the PVD Plating and diver inhalation adjustment. The 150LX delivers great performance at a moderate price. The 150LX is paired with the workhorse HO2 1st Stage for use with 100% oxygen. The second stage front metal ring, packing nut \u0026amp; end cap are all made of 316 Stainless Steel. All LX regulators come standard with MiFlex® hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration. The LX regulators come standard with Hollis’s Lifetime Warranty, 2-Year Service Interval and Free Parts for Life\u003c\/p\u003e\r\n\u003cp\u003eAll LX regulators come standard with MiFlex hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration.\u003c\/p\u003e","brand":"Hollis","offers":[{"title":"Default Title","offer_id":44360701411549,"sku":"HOL-240.1502.19.M+OB","price":463.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-hollis-150lx-h02-din-o2-regulator.jpg?v=1743759135"},{"product_id":"open-box-hollis-150lx-dc7-din","title":"Open Box Hollis 150LX + DC7 DIN","description":"\u003cp\u003eThe 150LX regulator is similar in design and performance to the 200LX but without the PVD Plating and diver inhalation adjustment. The 150LX delivers great performance at a moderate price. This second stage is paired with the DC7 for a great travel the world design or for those divers looking for great performance and certified to 40% oxygen. The 150LX is also paired with the workhorse HO2 1st Stage for use with 100% oxygen. The second stage front metal ring, packing nut \u0026amp; end cap are all made of 316 Stainless Steel. All LX regulators come standard with MiFlex® hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration. The LX regulators come standard with Hollis’s Lifetime Warranty, 2-Year Service Interval and Free Parts for Life. \u003c\/p\u003e\r\n","brand":"Hollis","offers":[{"title":"Default Title","offer_id":44370459230429,"sku":"HOL-240.1503.07.M+OB","price":463.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-hollis-150lx-dc7-din.jpg?v=1743759278"},{"product_id":"open-box-hollis-h-02-piston-o2-din-regulators-first-stages","title":"Open Box Hollis H-02 Piston - O2 - DIN Regulators - First Stages","description":"\u003cp\u003eWith the Bulletproof Design of the Hollis HP5 Non-Balanced Flow-By Piston First Stage the HO2 First Stage is Certified for up to 100% Oxygen Service thanks to Highly Specialized Component Materials and Manufacturing processes. Cleaned and Assembled in a Clean Room Environment with Specially Designed Materials, Halocarbon Based Lubricants and Color-Coded for Easy Identification.\u003c\/p\u003e\r\n\u003cp\u003eThe Flow-By Piston Design is the only true Fail-Safe First Stage Design on the market. The Piston will automatically move Downstream from the High Pressure Air coming from the Scuba Cylinder if there is an unexpected malfunction of the High-Pressure Seat. This feature guarantees a constant Gas-Flow to the Second-Stage Regulator. The Regulator First Stage weighs 8.3 oz (235.3 g).\u003c!--?p--\u003e\u003c\/p\u003e\r\n","brand":"Hollis","offers":[{"title":"Default Title","offer_id":44370469257437,"sku":"HOL-240.3558+OB","price":239.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-hollis-h-02-piston-o2-din-regulators-first-stages.jpg?v=1743759279"},{"product_id":"open-box-seac-set-dx200-230-int-octopus-and-diving-regulator-set-and-bag","title":"Open Box Seac Set DX200 230 INT, Octopus and Diving Regulator Set, and Bag","description":"\u003cdiv\u003e\n\u003cp\u003eThe Open Box Seac Set DX200 230 INT is an exceptional octopus and diving regulator set designed for both novice and seasoned divers. This complete diving kit is perfect for those seeking reliability and performance during their underwater adventures. Packaged with a convenient bag, this set ensures that your scuba diving gear is organized and easily transportable, allowing you to focus on your exploration beneath the waves.\u003c\/p\u003e\n\n\u003cp\u003eCrafted with high-quality materials, the DX200 230 INT features both a first and second stage regulator, ensuring optimal air delivery and superior performance at various depths. The octopus design provides an additional air source, making it a vital safety feature for diving pairs. Its compact design not only enhances maneuverability but also reduces drag, making it ideal for diving in diverse environments.\u003c\/p\u003e\n\n\u003cp\u003eWith a focus on durability and ease of use, this diving regulator set stands out in the scuba gear market. The Open Box Seac Set is an excellent choice for those looking for top-tier regulators that deliver outstanding performance without compromising on comfort. Whether you are diving in warm waters or chilly depths, this gear is built to withstand the rigors of underwater exploration.\u003c\/p\u003e\n\n\u003cp\u003eEmbrace the thrill of diving with the assurance that the Seac Set DX200 230 INT will provide you with the reliability and safety you need. Equip yourself with this essential diving equipment and take your underwater experiences to the next level. Grab your Open Box Seac Set today and dive into your next adventure with confidence!\u003c\/p\u003e    \u003c\/div\u003e","brand":"Seac","offers":[{"title":"Default Title","offer_id":44373730525405,"sku":"SEAC-0350090000004A+OB","price":496.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-seac-set-dx200-230-int-octopus-and-diving-regulator-set-and-bag.jpg?v=1743759400"},{"product_id":"open-box-seac-set-mx100-230","title":"Open Box Seac Set Mx100 230","description":"\u003cdiv\u003e\n\u003cp\u003eThe Open Box Seac Set MX100 230 is an exceptional choice for both novice and experienced divers, combining safety and high performance in one reliable diaphragm regulator. Designed for all diving conditions, this robust set features a balanced first stage equipped with a heat exchange system, making it particularly effective in cold water. The removable stainless steel valve seat offers ease of maintenance, ensuring that your equipment remains in top condition for all your underwater adventures.\u003c\/p\u003e\n\n\u003cp\u003eAs a standout option in the diving regulators category, the MX100 is built to withstand the rigors of underwater exploration. Its user-friendly design allows beginners to dive with confidence, while advanced divers will appreciate its reliable performance. The compact and lightweight structure enhances portability, making it an ideal companion for dive trips.\u003c\/p\u003e\n\n\u003cp\u003eWith the Seac Set MX100 230, you're not just purchasing a regulator; you're investing in a quality product that emphasizes safety and durability. The integration of advanced technology ensures optimal air delivery, enhancing your overall diving experience. Whether you are diving for leisure or professional exploration, this open box set will meet and exceed your expectations. Dive into underwater adventures with the assurance that you have chosen a superior product for your diving needs.\u003c\/p\u003e    \u003c\/div\u003e","brand":"Seac","offers":[{"title":"INT","offer_id":44373786722525,"sku":"SEAC-0350089000004A+OB","price":394.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-seac-set-mx100-230-int.jpg?v=1743759405"},{"product_id":"open-box-seac-mx100","title":"Open Box Seac Mx100","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eOpen Box Seac Mx100\u003c\/b\u003e is an exceptional choice for both novice and seasoned divers seeking a reliable diaphragm regulator. Designed specifically for diving, this regulator combines safety and high performance, ensuring a robust structure that can withstand the demands of underwater exploration. Its balanced first stage features a sophisticated heat exchange system, making it ideal for cold water environments, which is often a concern for divers looking for performance in varying conditions.\u003c\/p\u003e\n\n\u003cp\u003eOne of the standout features of the MX100 is its removable stainless steel valve seat, which facilitates easy maintenance and longevity. This regulator not only stands out in the category of \u003cb\u003eregulators - 1st and 2nd stage set\u003c\/b\u003e but also provides divers with confidence through its reliable construction. With the Seac Mx100, divers can enjoy seamless air flow and enhanced breathing performance, making it suitable for long dives.\u003c\/p\u003e\n\n\u003cp\u003eIncorporating advanced engineering, the MX100 ensures that divers can navigate their underwater adventures with ease. The combination of a solid build and high functionality makes it a preferred choice in the diving community. Whether you are purchasing for personal use or stocking your dive shop with high-quality gear, the Open Box Seac Mx100 is a standout option that promises durability and safety.\u003c\/p\u003e \n\n\u003cp\u003eUpgrade your diving experience with the Seac Mx100 and embrace the underwater world with confidence. Don't miss out on this opportunity to enhance your diving gear collection.\u003c\/p\u003e    \u003c\/div\u003e","brand":"Seac","offers":[{"title":"INT","offer_id":44373789278429,"sku":"SEAC-0350071000004A+OB","price":315.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-seac-mx100-int.jpg?v=1743759408"},{"product_id":"open-box-seac-set-p-synchro","title":"Open Box Seac Set P-Synchro","description":"\u003cdiv\u003e\n\u003cp\u003eThe Open Box Seac Set P-Synchro is a top-tier diving regulator set designed for avid divers seeking reliability and performance. This comprehensive set includes the Seac P-Synchro INT 230 bar octopus and diving regulator, making it an essential addition to your scuba gear. Engineered for optimal airflow and comfort, the P-Synchro provides a smooth and effortless breathing experience, allowing for extended underwater exploration.\u003c\/p\u003e\n\n\u003cp\u003eConstructed with high-quality materials, this regulator set ensures durability and resilience against the rigors of diving environments. Weighing in at a manageable size, it is perfect for both seasoned divers and those new to the underwater world. The octopus design features an ergonomic shape that enhances usability, making it easier to handle during dives. The advanced technology incorporated into the P-Synchro ensures consistent performance at depths, giving you peace of mind while you immerse yourself in marine beauty.\u003c\/p\u003e\n\n\u003cp\u003eAs part of the regulators category, the Open Box Seac Set P-Synchro stands out with its 230 bar capacity, making it suitable for a variety of diving conditions. This regulator set not only meets but exceeds many industry standards, ensuring that divers can rely on its capabilities. With the P-Synchro, you can dive deeper and longer without compromising on safety or comfort.\u003c\/p\u003e\n\n\u003cp\u003eWhether you are planning a tropical adventure or exploring cold-water sites, the Seac P-Synchro is your perfect companion. Invest in this exceptional regulator set to elevate your diving experience. Don't miss out on the opportunity to enhance your scuba gear collection with the P-Synchro today!\u003c\/p\u003e    \u003c\/div\u003e","brand":"Seac","offers":[{"title":"INT","offer_id":44373793997021,"sku":"SEAC-0350028000004A+OB","price":276.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-seac-set-p-synchro-int.jpg?v=1743759410"},{"product_id":"used-scubapro-mk-11-s270","title":"Used Scubapro MK 11\/S270","description":"\u003cp\u003eFor divers seeking reliable performance in an uncomplicated air delivery system, the MK11 \/ S270 is easy to use, compact and durable. The balanced diaphragm MK11 delivers effortless airflow unaffected by depth, tank pressure or breathing rate. The compact S270 provides smooth breathing performance in a bulletproof anti-scratch design that’s able to handle years of hard use.\u003c\/p\u003e\r\n","brand":"Scubapro","offers":[{"title":"Very Good \/ Yoke","offer_id":44379652751581,"sku":"SPRO-12.177.000+VG","price":510.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_c886a213-2a53-447a-8651-f99cf65ac84d.jpg?v=1762471463"},{"product_id":"open-box-mares-dual-15x-regulator","title":"Used Mares Dual 15X Regulator","description":"\u003cp\u003eDual Scuba Diving Regulator\u003c\/p\u003e\n  \u003cp\u003eThe Dual scuba diving regulator is a must-have for scuba divers. With its simple design and lightweight construction (weighing just 183g), it offers convenience and ease of use. This regulator is perfect for novice scuba divers who are looking for their first configuration.\u003c\/p\u003e\n  \u003cp\u003eFeaturing the 15X first stage with an ACT valve, this regulator ensures maximum reliability and safety. You can trust this regulator to deliver exceptional performance and peace of mind during your underwater adventures.\u003c\/p\u003e\r\n","brand":"Mares","offers":[{"title":"Yoke","offer_id":44398499692765,"sku":"MAR-416258INTBK+OB","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/rn-image_picker_lib_temp_c0abe888-add9-4ac7-b349-91340cc6a4b1.jpg?v=1766449379"},{"product_id":"open-box-oceanic-alpha-8-octopus","title":"Open Box Oceanic Alpha 8 Octopus","description":"\u003cp\u003eOpen Box Oceanic Alpha 8 Octopus offers professional performance for scuba diving gear at an entry-level price. This regulator provides dependable diving performance with a compact, lightweight design that suits varied dive sites while keeping maintenance costs down.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCondition Note:\u003c\/b\u003e Open Box. May be missing original packaging and minor blemishes (not noticeable after 1-2 dives). This product does not carry a valid manufacturer warranty.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Default Title","offer_id":44414629707997,"sku":"OCNC-40.3540.53+OB","price":127.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-oceanic-alpha-8-octopus.jpg?v=1743759831"},{"product_id":"open-box-oceanic-alpha-10-cdx","title":"Open Box Oceanic Alpha 10 + CDX","description":"\u003cp\u003eOpen Box Oceanic Alpha 10 + CDX delivers reliable scuba gear performance for diving enthusiasts. This lightweight, compact setup is built to last and designed for easy service, with practical benefits for long-term use in diving and exploration. Open Box condition may include missing original packaging and minor blemishes not noticeable after 1-2 dives. This item does not carry a valid manufacturer warranty.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBREATHE EASIER\u003c\/b\u003e: Featuring a pneumatically balanced second stage for smooth breathing, designed to respond to natural inhalation and reduce breathing resistance. The first stage offers a choice of cDX balanced diaphragm or SPX piston valve, built from machined, triple chrome marine brass, with angled ports for tidy hose routing. Nitrox compatibility up to 40% adds versatility for a range of diving profiles.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"YOKE","offer_id":44414639079645,"sku":"OCNC-40.3770.07+OB","price":383.96,"currency_code":"USD","in_stock":false},{"title":"DIN","offer_id":44414641602781,"sku":"OCNC-40.3771.07+OB","price":383.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/open-box-oceanic-alpha-10-cdx-yoke.jpg?v=1743759833"},{"product_id":"open-box-oceanic-delta-5-edx","title":"Open Box Oceanic Delta 5 + EDX","description":"\u003cp\u003eOpen Box Oceanic Delta 5 + EDX regulator set for scuba diving offers a rugged, all-purpose solution that performs in cold and warm water, at shallow depths or deeper dives. The Delta 5 second stage paired with the EDX first stage delivers reliable breathing across a range of diving scenarios, making it a solid choice for divers seeking versatile scuba gear.\u003c\/p\u003e \u003cp\u003eThis system features a \u003cb\u003epneumatically balanced all-metal valve\u003c\/b\u003e, a \u003cb\u003edive\/pre-dive switch\u003c\/b\u003e with a \u003cb\u003epatented dynamic airflow adjustment control\u003c\/b\u003e, and a \u003cb\u003emechanical purge button\u003c\/b\u003e for consistent air-flow during purge. The \u003cb\u003eeDX first stage\u003c\/b\u003e uses a \u003cb\u003ebalanced diaphragm\u003c\/b\u003e with an \u003cb\u003eenvironmentally sealed, cold-water ready\u003c\/b\u003e design and offers \u003cb\u003eNitrox compatibility up to 40%\u003c\/b\u003e. A \u003cb\u003eheat exchanger\u003c\/b\u003e supports improved cold-water performance, and the \u003cb\u003e2.5 inch front profile\u003c\/b\u003e provides a compact fit. The system uses a \u003cb\u003edual-material orthodontic mouthpiece with bite tabs\u003c\/b\u003e for comfort. Service intervals are every \u003cb\u003e2 years\u003c\/b\u003e, and the package carries a \u003cb\u003elifetime warranty with free parts for life\u003c\/b\u003e (note: open-box items may have limited or no manufacturer warranty).\u003c\/p\u003e \u003cp\u003eNitrox compatibility is standard to 40%, with \u003cb\u003eoptional Universal Swivel Adapter\u003c\/b\u003e available separately. A \u003cb\u003eMiflex braided hose\u003c\/b\u003e is included with complete models, adding durability for diving gear in demanding environments. The Delta 5 + EDX regulator is designed for diving gear reliability and practical performance across a range of conditions, supporting scuba diving, cold-water and warm-water diving, and general diving activities.\u003c\/p\u003e \u003cp\u003eCondition: Open Box. May be missing original packaging and minor blemishes (not noticeable after 1-2 dives). This product does not carry a valid manufacturer warranty.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Black \/ YOKE","offer_id":44414648156381,"sku":"OCNC-40.7590.07+OB","price":479.96,"currency_code":"USD","in_stock":true},{"title":"White \/ YOKE","offer_id":44414650384605,"sku":"OCNC-40.7590.24+OB","price":479.96,"currency_code":"USD","in_stock":false},{"title":"White \/ DIN","offer_id":46209951432925,"sku":"OCNC-40.7591.24+OB","price":491.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/open-box-oceanic-delta-5-edx-black-yoke.jpg?v=1743759836"},{"product_id":"open-box-oceanic-zeo-fdxi-swiv","title":"Open Box Oceanic Zeo + FDXI, Swiv","description":"\u003cp\u003eOpen Box Oceanic Zeo + FDX-i, Swiv regulator set for scuba diving gear. The Zeo design continues the EOS lineage with a comfortable breathing profile and reliable performance at depth, paired with the FDX-i first stage for streamlined hose routing. Open Box item; may have minor blemishes and may be missing original packaging. This product does not carry a valid manufacturer warranty.\u003c\/p\u003e \u003cp\u003eDesigned for diving with practical benefits for divers and gear setups, this regulator pair emphasizes smooth breathing, easy adjustments, and compatibility with standard scuba nitrox mixes. The ZEO second stage features pneumatic balancing to maintain a consistent inhalation effort, diver-adjustable inhalation, and dynamic adjustment to adapt throughout the dive. An AVS (Adjustable Venturi Switch) provides pre-dive or dive breathing control, while an integrated purge button, orthodontic mouthpiece, and inline ball swivel help reduce jaw fatigue and improve comfort during long dives.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Black \/ DIN","offer_id":44414650712285,"sku":"OCNC-40.8140.07+OB","price":583.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-oceanic-zeo-fdxi-swiv-black-din.jpg?v=1743759840"},{"product_id":"open-box-oceanic-fdxi-1st-stage","title":"Open Box Oceanic FDXI 1st Stage","description":"\u003cp\u003eThe Oceanic FDX-i 1st stage is a cold-forged, over-balanced diaphragm regulator designed for scuba and diving gear setups. Its in-line, environmentally sealed design minimizes pressure loss compared with traditional L-type stages, delivering efficient performance in a compact, lighter package. This configuration supports improved flow and cleaner hose routing, enhancing overall reliability during dives.\u003c\/p\u003e \u003cp\u003eCondition: Open Box—generally unused, returned from a customer, with minor blemishes not noticeable after 1-2 dives. Original packaging may be missing. This item does not carry a valid manufacturer warranty.\u003c\/p\u003e","brand":"Oceanic","offers":[{"title":"Black \/ DIN","offer_id":44414654677213,"sku":"OCNC-40.8200.05+OB","price":295.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/open-box-oceanic-fdxi-1st-stage-black-din.jpg?v=1743759841"},{"product_id":"atomic-aquatics-b2-regulator","title":"Used Atomic Aquatics B2 Regulator","description":"\u003cb\u003e Description \u003c\/b\u003e\n\u003cp\u003eOur most popular regulator, the Atomic B2 system combines the signature second stage design and materials of the T3 with a Chrome-plated Brass first stage. The result is an incredibly high-performance regulator system that is approachable for every diver and every budget.\u003c\/p\u003e\n\u003cbr\u003e \u003cb\u003eB2 BRASS \u0026amp; TITANIUM REGULATOR\u003c\/b\u003e\n\u003cp\u003eHIGHLY AWARDED. HIGHLY REGARDED.\u003c\/p\u003e\n\u003cp\u003eThe Atomic B2 has garnered more awards from independent tests and reviews than any other regulator on the market. And the B2 has fans in virtually every corner of the dive industry. The signature breathing performance of the T3 was engineered into the B2 with virtually the same corrosion-resistance. The difference is the metals used in the first stage, which are more economical without sacrificing performance. And the B2 ergonomics make it the world’s most comfortable second stage, just like the T3.\u003c\/p\u003e\n\u003cbr\u003e \u003cb\u003ePATENTED AUTOMATIC FLOW CONTROL\u003c\/b\u003e\n\u003cp\u003eYou shouldn’t have to think about breathing when you dive. 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