DIXON D-Series Pneumatic Coupler, Automatic, Nominal Size 1: 1/4 in, Nominal Size 2: 1/4 in, Connection Type 1: MNPTF, Connection Type 2: Quick Connect, 300 to 500 psi, Operating Temperature: -40 to 250 deg F, Brass, 2.34 in L, Suitable for: Foster 3, 4, 5 and 6 Series, Parker 30- Series Automatic Interchange, Hansen 3000, 4000, 5000 and 6000