ARBQTBSET, Quick Connect Test Fittings Set All Sizes (Brass)

Set of 9 quick connect test fittings in brass 3 of each size (1/4, 1/2, 3/4 Inch). One end is 1/4, 1/2 or 3/4 Inch NPT with an O-ring that allows you to connect to the assembly without PTFE tape and no more bushings! It has a grooved pattern to allow you to quickly connect it by hand without any tools. The other end is a 1/4 Inch SAE flare fitting that allows you to connect with the backflow testing hoses.