Spears® PVC Insert Fittings are designed for use with either ASTM D 2104 SCH 40/STD or D 2239 SIDR pressure rated polyethylene pipe. Chemical and corrosion resistant, rigid PVC barbed inserts provide excellent grip with polyethylene materials. Spears® 1429-005, Standard, Coupling Fitting/Connector, 1/2 in Nominal, Insert End Style, 3-1/8 in Length, 360 psi Pressure, Molded Method of Manufacture, PVC, Gray, 140 deg F, Domestic/Import: Domestic