Inlet/Outlet NPTF (In.) 3/8 in, 100 Mesh Filter Strainer, Max. Flow (GPH) 112, Min. Flow Rate (GPH) 94, Relief Pressure Max. (PSI) 250, Max. Pressure (PSI) 250 psi, Brass Body Material, External Relief Not Required, By-Pass, Carbonator Clamp Style Mounting, Max. Temp. (F) 158 Degrees F, Built-In Relief Valve, Relief Valve PSI Setting 200, 303 Stainless Steel Shaft, GPH of Water @ 50 PSI 102, GPH of Water @ 200 PSI 96, GPH of Water @ 250 PSI 94, HP @ 50 PSI 1/4 hp