Pressure Regulator, Series B, Body Material Cast Iron, Inlet Size 3/8 in, Outlet Size 3/8 in, Length 3 7/8 in, Height 6 1/4 in, Application Air, Water, Connection Type NPT, Pressure Adjustment Range 40 to 110 psi, Seal Material Buna-N, Max. Temp. 180 Degrees F, Pipe Size 3/8 in, Max. Pressure 200 psi