1/2 in. x 3/4 in. x 10 in. SharkBite Frost-Free Anti Siphon Sillcock is the easiest way to install a new or replace an existing Sillcock. The Frost-Free Anti Siphon is perfect for protection against freeze and burst pipes and protects the faucet from any potential back pressure and contaminated water flowing back into the main line.
Push-to-connect design makes for quick and easy install
Connects to copper, PEX, CPVC or PE-RT pipe
Requires no solder, glue, unions or tools
Approved for behind-the-wall applications with no access panels