DIXON F-Series Pneumatic Coupler, Manual, Nominal Size 1: 3/4 in, Nominal Size 2: 1/2 in, Connection Type 1: FNPTF, Connection Type 2: Quick Connect, 500 to 15500 psi, Operating Temperature: -40 to 250 deg F, Steel, Trivalent Chrome, 3.15 in L, Suitable for: Foster 3, 4, 5 and 6 Series, Parker 20-Series Manual Interchange, Hansen 1000, 400 and 500, DQC J-series Automotive plugs