DIXON M-Series Pneumatic Coupler, Manual, 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, 1.97 in L, Suitable for: ARO 210, Parker 50-Series and Amflo Type 'B'