SharkBite 3/4 in. PEX Barb X 3/4 in. D Polybutylene Barb Brass Coupling

Transition from polybutylene to PEX pipe. Includes two color coordinated crimp rings - the black crimp ring is for PEX pipe, while the copper-colored crimp ring is for polybutylene pipe. Certified for use in potable water and hydronic heating systems.

Product Features:

• Made of a lead-free DZR brass
• Easy to install
• Low-cost solution to connect PEX tubing to Polybutylene pipe