DIXON U-Series Pneumatic Coupler, Nominal Size 1: 1/4 in, Nominal Size 2: 1/4 in, Connection Type 1: FNPT, Connection Type 2: Quick Connect, 300 psi, Operating Temperature: -40 to 250 deg F, Brass, 2.32 in L, Suitable for: 2U-Series 6-in-1 (ARO 210, Industrial, Truflate, Lincoln, Italian, CEJN 410), Parker UC-Series, Hansen Auto-Flo 23 and Coilhose Series UC