Price for: each barb size: 3/8 inch max. Pressure: 300 psi finish: trivalent chrome item: coupler plug material: steel application: Pneumatic Temp. Range: -40 Degrees to 250 Degrees F hose connection: push on body size: 3/8 inch max. Flow: 50 cfm interchange Type: industrial country of origin (subject to change): United States.