- Compact balanced diaphragm first stage made of marine-grade brass plated with chrome for maximum corrosion resistance
- Easily-adjusted Venturi switch helps prevent free-flow and boosts air delivery at depth
- Environmentally sealed to prevent contamination from silt, sand, salt water, or pollutants
- 4x 3/8" LP ports, 2x 7/16" HP ports
- EANx compatible right out of the box
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