Low cost solution to install a shut-off valve in your existing PEX plumbing system. Advanced polymer plastic fittings are a perfect solution for areas where corrosion may affect DZR brass fittings.; ; Brand Name: SharkBite Push to Connect: No End 1 Diameter: 1/2 in. End 1 Type: PEX Barb End 2 Diameter: 1/2 in. End 2 Type: PEX Product Type: Ball Valve Average Lead Content: Lead-Free Packaging Type: Bagged Maximum Temperature: 200 �F Maximum Pressure: 200 psi Pack of 2 Plastic It is compatible with stainless steel clamp and copper crimp ring systems