KKmoon Professional Airbrush Accessories Air Brush Quick Release Coupler Plug (Disconnect) Airbrush Airflow Adjustment Control Valve Coupling - 1/8" BSP Airbrushes Tool Automatically shuts off air flow from the hose when disconnected. Professional airbrush quick connector accessories for airbrush and air hose. Handy airbrush tool with standard 1/8" BSP connections. A simple twist of the coupler allows you to control the airflow. The airflow adjustment control valve provides you hassle-free micro airflow control to your airbrush. Can instantly control the airflow to your airbrush without having the hassle of reseting your air compressor regulator. The quick-release action allows you to quickly change airbrushes when you use multiple airbrushes with a single air supply hose..