Mares AST Dry System (INT)

Mares Auto-Sealing Technology (AST) for INT first stage connections. Keeps the first stage dry and clean at all times.

The Mares Auto-Sealing Technology (AST) system is automatically activated by air flow without any mechanical solution for maximum reliability, creating anti-flooding protection that keeps the first stage dry in all conditions. This can be used with Nitrox mixtures and in cold water. Suitable for these Mares First Stages: 82X, 52X, 15X, R2.