SharkBite PEX Poly Alloy Barb Coupling is an easy to install, low-cost solution to connect to PEX tubing. They are suitable for potable water distribution and hydronic heating applications. SharkBite PEX Poly Alloy Barb fittings can be used in both a stainless steel clamp system, or a copper crimp ring system as well; ; Brand Name: SharkBite Sub Brand: EvoPEX End 1 Diameter: 1/2 in. End 1 Type: PEX End 2 Diameter: 1/2 in. End 2 Type: PEX Material: Plastic Product Type: Coupling Average Lead Content: Lead-Free ANSI Certified: Yes Push to Connect: No Maximum Pressure: 160 psi Packaging Type: Bagged Maximum Temperature: 200 �F Number in Package: 25 pk Pack of 25 Suitable for potable water distribution and hydronic heating applications