Pressure Regulator, Series 263A, Body Material Brass, Inlet Size 1/4 in, Outlet Size 1/4 in, Length 2 1/8 in, Height 4 3/8 in, Application Water, Connection Type FNPT, Pressure Adjustment Range 1 to 25 psi, Gauge Port Size 1/4 in, Seal Material Buna N, Max. Temp. 140 Degrees F, Max. Pressure 300 psi, Compliance Lead Free