Atomic Aquatics ST1 Regulator - Sealed DIN - Stainless steel with ST1 2nd stage for octo.

THE ONLY STAINLESS STEEL REGULATOR IN THE WORLD

Exceptionally built. Outstanding performance. It also keeps the oceans beautiful. As the first "Green" regulator ever designed, the ST1 is made from a special grade of stainless steel 316 that is 100% recyclable. It offers superior corrosion resistance and does not require chrome or nickel plating processes that create environmental issues.