Price for: each quick connect air coupling max. Pressure: 300 psi quick connect air coupling barb size: 3/8 inch application: Pneumatic Temp. Range: -40 Degrees to 250 Degrees F item: coupler body quick connect air coupling locking Type: sleeve finish: trivalent chrome quick connect air coupling seals: nitrile quick connect air coupling product grouping: quick coupler body quick connect air coupling material: steel quick connect air coupling body size: 1/2 inch quick connect air coupling hose connection: hose barb quick connect air coupling interchange Type: true-flate-automotive max. Flow: 110 cfm country of origin (subject to change): United States.