ST1 Second StageThe ST1 is a beautifully machined Stainless Steel regulator with outstanding corrosion resistance and high-performance breathing. Made of a special grade of 316 Stainless Steel, the ST1 offers superior corrosion resistance for dependability while preserving our precious environment. The ST1 is fitted with our patented Atomic Aquatics Stainless Steel comfort swivel hose.
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