Test Cock Adapter Kit, Includes Contains Three 1/4 in NPT 90 Degrees Swivel Quick Connect ADPT x 1/4 in Flare, Three 1/2 in NPT Quick Connect x 1/4 in FNPT ADPT, Three 3/4 in NPT Quick Connect x 1/4 in FNPT ADPT, and 3 Spare O-Rings, For Use With Grainger Item 34CU33, 34CU34, 34CU35, 6AJV6