Highland Rebuildable & Adjustable OPV Over Pressure Valve fourthelement Traditional J-tube design is simple

Traditional J-tube design is simple and reliable

Shearwater Perdix Battery Plug Assembly

without tools

divers can add or switch optical lenses by themselves

In essence

Highland Rebuildable & Adjustable OPV Over Pressure Valve fourthelement Traditional J-tube design is simpleRebuildable & 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