Mares 75XR AST 1st Stage





Mares' new 1st stage, the Ultimate Performance

  • 4 vertical and 4 radial LP ports (3/8" UNF)
  • Two pre-oriented HP ports
  • Perfect, snag-free LP hose positioning
  • Full metal body
  • Chrome-plated marine brass
  • Compact, solid, one-piece body
  • Balanced diaphragm – DFC preferential flow path
  • Extreme reliability – highest safety
  • New ACT valve - Advanced Coating Technology
  • Maximized breathing comfort
  • Environmental dry system = Keeps water out of the main spring chamber + prevents ice buildup + keeps silt and contamination out
  • Cold water resistant
  • DIN only
  • Designed for extreme depth, demanding dives & mixed gas diving (helium, o2, nitrogen)
  • For twinset use but equally suitable for single or stage cylinder configurations
  • Auto Sealing Technology
  • Keeps the first stage dry
  • The system is automatically activated by air
  • Tested with oxygen and cold temperatures in demanding environments
  • Patented system

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