Sharkbite Uc514lfa5 Barb Pex Plug, 1/2" (Pack of 5) Lead free DZR brass construction for durability and reliability Low-cost plumbing connection system Barb connection Compatible with PEX pipe NSF listed Meets UPC, IPC, and cUPC requirements Fittings work with crimp ring or clamp connection methods Rated to 200F and 200 psi