Pressure Regulator, Series ABP1, Body Material Stainless Steel, Inlet Size 1/4 in, Outlet Size 1/4 in, Length 2 in, Height 4 15/16 in, Application Gas, Connection Type NPT, Pressure Adjustment Range 20 to 500 psi, Gauge Port Size 1/4 in, Seal Material PCTFE, Max. Temp. 150 Degrees F, Pipe Size 1/4 in, Max. Pressure 750 psi, Standards CRN, Compliance ISO 9001