Atomic Aquatics ST1 Second Stage only, 32" hose, Gray
In stock — ships from Irvine, CA
This item is currently on backorder. Order now to reserve yours, and we will ship it as soon as it is back in stock.
Atomic Aquatics ST1 Second Stage only, 32" hose, Gray is backordered and will ship as soon as it is back in stock.
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Open Box Atomic Aquatics ST1 Second Stage only, 32" hose, Gray
Sale price $463.95 Regular price $579.95Unit price
Product Information
Atomic Aquatics ST1 Second Stage only, 32" hose, Gray is a standalone second-stage regulator component built with a 316 stainless steel body, titanium-grade internal parts, and a 32-inch gray hose.
Who it is for
This ST1 second stage suits divers who need a replacement or spare second stage for an existing regulator setup, or who are assembling a custom configuration and want a corrosion-resistant component built for rugged saltwater use.
Key details
The second stage uses a pneumatically-balanced poppet design paired with a balanced linear flow design for consistent airflow. The valve system includes a titanium demand valve body, lever, and sealing orifice, and a high-quality silicone rubber diaphragm supports reliable response and durability. Flow is managed through the patented AFC system with a rapid adjustment knob, and the unit includes Atomic's Comfort Swivel.
- Material: 316 stainless steel body with titanium-grade components.
- Hose: 32 inches, Gray.
- Flow control: Patented AFC with rapid adjustment knob.
- Swivel: Comfort Swivel.
Compatibility and sizing
The included 32-inch hose supports flexible setup across common scuba configurations, and the second stage is compatible with a wide range of gear and regulators without compromising performance.
DiveCatalog.com is an authorized Atomic Aquatics dealer and a dive shop in Irvine, California, open since 2003. Call 888-701-4017 or chat with our team if you have fit or compatibility questions before you order.
- Materials and durability: 316 stainless steel body with titanium-grade components for corrosion resistance and long-term durability in underwater environments.
- Breathing performance: Pneumatically-balanced poppet second stage and balanced linear flow design for smooth, consistent airflow during diving.
- Valve system: Titanium demand valve body, lever, and sealing orifice for rugged longevity in saltwater use.
- Diaphragm: High-quality silicone rubber diaphragm for reliable response and durability.
- Hose and compatibility: Includes a 32-inch hose for flexible setup in scuba configurations.
- Flow control: Patented AFC (Automatic Flow Control) with a rapid adjustment knob.
- Swivel: Comfort Swivel design on the second stage.
| Brand | Atomic Aquatics |
| Model | ST1 second stage |
| Product Type | Second stage only |
| Hose Length | 32 in |
| Color | Gray |
| Flow Control | Patented AFC with Rapid Adjustment Knob |
| Swivel | Comfort Swivel |
⚠️ 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
What hose length comes with the Atomic Aquatics ST1 second stage?
This ST1 second stage includes a 32-inch hose in Gray, so it is ready to use as a standalone replacement or spare second stage.
What materials are used in the ST1 second stage?
The ST1 second stage uses a 316 stainless steel body with titanium-grade components, including a titanium demand valve body, lever, and sealing orifice. A silicone rubber diaphragm is also used for reliable response, giving the unit corrosion resistance for saltwater use.
Will the ST1 second stage work with my current regulator setup?
The 32-inch hose suits common scuba configurations. Contact us to confirm compatibility with your specific first stage before ordering.
