The Atomic Aquatics ST1 Second Stage (32" hose, Gray) provides smooth, reliable airflow for scuba diving with durable, corrosion-resistant construction. The main body uses 316 stainless steel with titanium-grade components, offering strength and corrosion resistance suitable for underwater environments and rugged saltwater use.

Designed for dependable performance in the field, this ST1 model features a pneumatically-balanced poppet second stage and a balanced linear flow design to deliver consistent airflow during diving. The valve system includes a titanium demand valve body, lever, and sealing orifice for long-term durability in harsh marine conditions, while a high-quality silicone rubber diaphragm ensures reliable response and longevity.

The 32" hose included with the unit supports flexible setup across common scuba configurations, making it compatible with a wide range of gear and regulators without compromising performance.