Midland Metal 940331 Sch 40 Female Pipe, PVC Check Valves, 1/2 Inline Fxf Pvc Spring Load Chk Vlv, Plumbing Accessories

In-Line Spring Check Valve, 1/2 in Nominal, Connection Type: FPT x FPT, 200 psi, 77 deg F, PVC Body, Domestic, Additional Information: 0.5 psi Opening Pressure, SCH 40, 1/2-14 Thread Size