ProLine Brass Push Fit X Push Fit Coupling Brass push fit coupling. Forged DZR Dezincification brass. Fast, trouble-free installation of copper, CPVC Chlorinated Polyvinyl Chloride , and PEX cross-linked polyethylene tubing. Certified cUPC all Canadian federal requirements and standards , NSF National Sanitation Foundation/ANSI 61 American National Standards Institute, AB 1953 California's Assembly Bill 1953 compliant, IAPMO International Association of Plumbing and Mechanical Officials listed. Full flow design no integrated tube liners , removable design, integrated brass seal design. 25 year warranty. Size 1 PF x 3/4 PF reducing , Material Brass, Type Push Coupling, Pressure Rating 200 psi, Temperature Rating 200 F, Pkg Qty 1, Package Type Bag WARNING This product contains 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.