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Used Spare Air Model 300 Package Kit 3.0 cu ft

Spare Air  |  SKU: SUBS-300PK+LN
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Sale price $209.95 Regular price $269.99
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In stock — ships from Irvine, CA


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Condition Note

May be missing original packaging and minor blemishes (not noticeable after 1-2 dives). This product does not carry a valid manufacturer warranty.

Product Conditions

  • Open Box: Generally unused, returned from a customer, with minor blemishes that are not noticeable. Original packaging may be damaged or missing.
  • Like New: May be slightly used but looks almost new, with minor blemishes that are not noticeable. Original packaging may be damaged or missing.
  • Very Good: Shows signs of use with a few more blemishes. Original packaging may be damaged or missing.
  • Good: Shows more signs of use with noticeable blemishes. Original packaging may be damaged or missing.
  • Acceptable: Heavily used with more blemishes. Original packaging may be damaged or missing.


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Product Information

Spare Air Model 300 Package Kit 3.0 cu ft is the preferred choice of Recreational Divers

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Frequently Asked Questions

Does the Spare Air Model 300 Package Kit include a pressure gauge?

No, the package kit does not include a pressure gauge. A dial gauge is offered as an optional upgrade for all Spare Air models, including the Model 300, so you can monitor remaining pressure separately if you choose to add one.

Can the Spare Air Model 300 be used with Nitrox?

The standard Model 300 is not listed as Nitrox-rated. Spare Air offers a dedicated Nitrox-ready variant, the Model 300-N, which is rated for use with gas blends up to 40% EAN, so divers planning Nitrox dives should look at that version instead.

How do you refill the Spare Air Model 300?

The Model 300 refills from any full standard scuba tank using the included patented refill adapter, which comes with the package kit.

What is included with the Spare Air Model 300 Package Kit?

The package includes the 3 cu ft Spare Air unit, a holster with quick-disconnect straps and mouthpiece cover, a safety leash, a refill adapter, and a printed owner's manual. DiveCatalog also adds an orange whistle with lanyard for surface signaling.