WATTS PL-3006 Pipe Adapter, 1/4 x 3/8 in, Compression x MPT, Plastic, 150 psi Pressure

Plastic quick-connect fittings are made from polysulfone, a high-performance thermal plastic material. Design allows for quick and easy connections to pipe without installation tool. Use on copper, PEX, CPVC and polybutylene pipe. Product meets all National Plumbing Codes.