3/4" x 3/4", Lead Free, Female Iron Pipe x 24", Stainless Steel Flexible Water Heater Connector, Sharkbite Push Fit Fittings For Use With Copper Tubing Copper Tube Size, CPVC & Pex, With Integral Tube Liner Included, Constructed Of Brass, Certified To 200 PSI & 200 Degrees Fahrenheit, Design Certified To ANSI 1061/NSF61 Standards, Meets Up, Pica & Cup Requirements, Fittings Are Listed With IAPMO & Are Certified For Use On Potable & Hydronic Water Distribution, Certified For Underground Applications & As A Manufactured Joint Without The Need For Access Panel, Lead Free Compliant To Federal Law 111-380.