Brass Components In High-pressure Areas And Relief Valve Zones 20-micron Sintered-bronze Inlet Filter Fda Recommended Viton And Brass Seal Washers All Flows Tested To Accuracy Within +/- 15% Tolerances Meets Astm-g175-03 Promoted Ignition Tests Ergonomic T-handle For Easy Tightening Inlet Pressure: 200-3000 Psi Outlet Pressure: 50psi 100% Quality Qc Tested In The Usa