Tru-Flate Brass Quick Change Coupler 1/4 in. Male 1 pc. - 1205004
Air hose couplers Aro design - standard sleeve 1/4 inch body series male NPT 1/4 inch. Due to their large size, do not connect or disconnect if the line pressure exceeds 40 PSI. Intended for compressed air lines only. 300 PSI maximum rated working pressure.