The Flow-By Piston Design is the only true Fail-Safe First Stage Design on the market. The Piston will automatically move Downstream from the High Pressure Air coming from the Scuba Cylinder if there is an unexpected malfunction of the High-Pressure Seat.
Bulletproof Hollis HP5 First Stage Design
Non-Balanced Flow-By Piston
Fail-Safe First Stage Design
300 BAR/4500 PSI DIN Connection
DIN Hand-Wheel Connector: Oxygen Green for Easy Identification for Oxygen-Use-Only
Material: Durable and Corrosion Resistant Marine-Grade Chrome Plated Brass