Stop Valve Adapter, Body Material Polypropylene, Inlet Connection Size 1/2 in, Inlet Connection Type Female Compression, Outlet Connection Size 1/2 in, Outlet Connection Type Male Compression, Maximum Operating Pressure 150 psi, Minimum Operating Temperature 70 Degrees F, Maximum Operating Temperature 140 Degrees F, Standards NSF 51, NSF 61, Product Type Angle Stop Adapter Valve, Compatible Tube Outer Diameter 1/4 in Gray Acetal Push-In Fittings • Max. pressure: 150 psi Temp. range: -14 Degrees to 167 Degrees F (air); 33 Degrees to 140 Degrees F (water)Push-to-connect fittings have nitrile O-ring seal and stainless steel teeth. Use with PVC, polyethylene, nylon, polyurethane, brass, copper, and mild steel tubing. Check valves and shutoff valves priced and sold separately. Fittings are.