Test Cock Adapter Kit, Includes Contains Three 1/4 In. NPT 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 All Come with 3 Spare O-Rings, For Use With...