QD High Flow Coupler.
Devilbiss 240147 QD High Flow Coupler / 1/4" NPT HC4719 Quick Disconnect
Devilbiss 240147 QD High Flow Coupler
DeVilbiss 240148 Quick Disconnect High Flow Steel Coupler 1/4 in FNPT
DeVilbiss 240148 Or 240147 Quick Disconnect High Flow Steel Coupler 1/4 Air
DeVilbiss HAV-511 High Output Air Adjusting Valve with Gauge
Devilbiss HAV-512 High Output Air Adjusting Valve with Gauge, 1/4 in MNPT inlet