SharkBite Push-to-Connect Brass Reducing Coupling Reducing coupling. Brass push fitting. UPC, IAPMO, and NSF-61 certified and approved. The fitting can be used with copper, PEX, and CPVC, and is rated at 200 deg. F., 200 P.S.I. It is made of 1-piece DZR brass. Fittings can be buried and placed behind drywall. Fittings are removeable and reuseable. Product is individually bagged. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. Size 1 x 3/4 , Material Brass, Type Push Coupling, Pressure Rating 200 psi, Temperature Rating 200 F, Pkg Qty 1, Package Type Bag Warning This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.