The SharkBite PEX Barb Polybutylene Adapter is made of a lead- DZR brass, and is an easy to install, low-cost solution to connect PEX tubing to Polybutylene pipe

SharkBite PEX Barb fittings are compatible for potable water distribution and hydronic heating applications

This product includes 2 color coordinated crimp rings - the included BLACK crimp ring is intended for PEX while the copper-colored crimp ring is for use on Polybutylene pipe

Approvals: NSF/ANSI 61, NSF 372