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® 1436-005, Standard, Adapter Fitting/Connector, 1/2 in Nominal, Insert x MNPT End Style, 2-7/16 in Length, 360 psi Pressure, Molded Method of Manufacture, PVC, Gray, 140 deg F, Domestic/Import: Domestic