The 75XR AST first stage has been design to withstand cold waters, extreme depth and demanding dives - with patented AST Auto Sealing Technology!
- 4 Vertical and 4 radial LP ports (3/8" UNF)
- Two pre-oriented HP ports
- Perfect, snag-free LP hose positioning
- Full metal body
- Chromw-plated marine brass
- Compact, solid, one-piece body
- Balanced Diaphragm – DFC preferential flow path
- Extreme reliability – highest safety
- Maximised breathing comfort
- Cold water kit = 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
AST- Auto sealing technology
- Keeps the first stage dry. Reliability without compromise
- The system is automatically activated by air
- Tested with oxygen and cold tempeture's in demanding environments
- Patented system
