This is the XS Scuba Rebuildable & Adjustable OPV Over Pressure Valve
- All stainless steel construction
- Easy to adjust from 150 to 250 psi
- Factory preset at 175 to 185 psi
- Machined Delrin cap protects the adjustment point
- Compact relief valve releases pressure in the event of an over pressurization of the first stage
- Fits standard 3/8-24 UNF low pressure regulator port
- Factory cleaned - Viton o-rings
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