3/4" x 3/4" Female Iron Pipe x 18", Stainless Steel, Braided Water Heater Connector, Shark Bite Push Fit Fittings For Use With Copper Tubing Size, CPVC & Pex With Integral Tube Liner Included, Constructed Of DZR Brass, Certified to 200 PSI & 200 Degrees Fahrenheit, Design Certified To ASSE 1061/NSF61 Standards, Meets UPC, IPC & CUPC Requirements, Fittings Are Listed With IAPMO & Are Certified For Use On Potable & Hydronic Water Distribution.