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