Contractor Plumbing Kit, Includes 2 Each U008, U016, U058 Couplings, U072, U088, U120, U134 Connectors, U248, U256 Elbows & 1 Each U362, U370 Tee's, U515, U518, Endstops, U710, U711 Clips, U713, & U702 Deburring Gauge & Orange Carrying Case, Sharkbite Push Fit Fittings For Use With Copper Tubing Copper Tube 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, Certified For Underground Applications & As A Manufactured Joint Without The Need For Access Panels.