This Green Leaf Inc Reducer Bushing is used with Copper, PEX, CPVC and Polybutylene Tubing. Used in fluid plumbing applications to connect a FPT thread to a reduced size of a MPT fitting. Highlights:Color: WhiteEnd 1 Type: MPTEnd 1 Diameter: 1-1/2End 2 Type: FPTEnd 2 Diameter: 1Material: NylonFits For: For Use With Copper, PEX, CPVC and Polybutylene TubingCompatible Pipe Material: Multipurpose