This FangKingNo schedule 40 white PVC Coupling has a (1/2" 3/4" 1" ).Coupling for connecting pipes or fittings of different types. Coupling for connecting two pipes with the same diameter in a straight run ，,They are non-toxic, lightweight and easy to install. Installation requires the use of primer and solvent cement 。 PVC for corrosion resistance, high strength, and less weight than fittings made from metal，Smooth interior finish for reduced friction and material buildup, suitable for cold-water pressure distribution systems including irrigation, pool and spa, potable water, and chilled water. This PVC fitting has a maximum operating temperature of 140 degrees F, meets ASTM International D2466 standards for quality assurance.