The 1/4 inch SharkBite x 3/8 inch compression connector allows you to transition from compression to Push-to-Connect. This connector has 2 primary uses. It can be used to thread onto an existing stop valve and convert a compression connection to a push-to-connect connection that will work with 1/4 inch pipe and SharkBite Fittings and it can be used to connect to faucets that require a 3/8 inch compression connection. SharkBite fittings are the easiest way to join any combination of pipe with no soldering, clamps, unions or glue. Just insert the pipe and the stainless steel teeth bite down and grip tight, while a specially formulated O-ring compresses to create a perfect seal. Disassembly is just as fast using the simple disconnect tool so fittings and valves can be easily changed and reused. Lead free DZR brass construction for durability and reliabilityUse to connect to any combination of copper, PEX, CPVC or PE-RT pipesInnovative push-to-connect design makes for quick and easy installationPush-to-connect fittings require no solder, glue, unions or toolsFitting can be rotated on pipe after installation making it easier to work in tight spacesDesigned for potable water distribution as well as hydronic heating applicationsCorrosion resistant to improve longevityCertified as a manufactured joint and for underground and behind-the-wall applications without access panels