Mares AST Dry System



  • Auto Sealing Technology
  • Keeps your 1st stage dry in the event of an accidental Flooding
  • Activated by gas, seals when the regulator is not used for diving, opens automatically when you turn on your gas
  • Can be used with Nitrox
  • Can be used in cold water
  • East to install on all Mares 82X-72X-52X-15X and R2 1st Stages