Cash Acme U068A Shark Bite 1/2-by-3/4-Inch FNPT Reducing Connector Push Fittings Adapter Easy, quick push-fit connection of water distribution pipe , this item cannot ship to CA or VT Design certified and listed to ASSE 1061/NSF 61 Listed by IAPMO and certified for potable and hydronic heating water distribution Certified for underground applications and as a manufactured joint without access panels Meet UPC, IPC and CUPC requirements