Reduces high inlet pressure to a lower outlet pressure, Spring range 25 to 75 psi factory set at 50 psi, Pressure rated 300 psi, max, temp, 180, Bronze body, Built in by-pass, Stainless steel strainer, Nylon reinforced Buna-N diaphragm, Balanced piston design, may be installed in any position, All internal parts corrosion resistant, Serviceable in-line, MIP inlet x threaded union outlet, Listed ASSE-1003, city of Los Angeles, Size: 3/4"", SKU: HMREX1654