AST-1St. Stage Dry System -DIN

AST anti-filtration technology for DIN connections, easy to mount. Keeps the first stage clean and dry at all times. With a pneumatic activation.
It can be used with Nitrox mixtures. It can also be used for cold water diving.
Suitable for the following Mares first stages:
– 82X
– 62X
– 15X
– R2