DIGITEN 3/4 Thread Male to 1/4 Tube Quick Connect Feed Water Adapter Ball Valve Faucet Tap &iexcl;&shy; 3/4 inch Thread male x 3/4 inch thread female x 1/4 inch tube. Tee thread male/female diameter: 19mm or 3/4". Easy to load and unload Come with washer,and pull Teflon on the thread male. don't leak.