U3523LFA Pipe Connector, 1/4 x 3/8 in, Compression, Brass, 200 psi Pressure

The SharkBite® stop valve connectors allow you to easily connect 1/4 in (3/8 in OD) copper tube sized pipe (CTS) to either a 1/4 or 3/8 in compression connection, which are primarily used for refrigerators or ice makers. The push-to-connect connection is the fastest and easiest way to connect to copper, PEX, CPVC or PE-RT pipe and requires no soldering, clamps, unions or glue.