Prevost ESI 111203CB 1/2" Female NPT x 1/2" Body High Flow Style Quick Disconnect Coupler Brand new Prevost High Flow style ESI 111203CB 1/2" body air coupler. This is a very high-quality Prevost coupler that features a non-marring, impact-resistant, high-grade composite body. This coupler is easy to use for anyone and is built for safety and high efficiency! The quick-release button on this coupler allows you to easily release plugs with one hand! It also purges the air on everything down line, such as air hoses and tools, so that there is no hose whipping or sudden pressure releases. This coupler features a 1/2" female NPT threaded inlet and is only compatible with 1/2" body high flow plugs. Specifications: 1/2" Female NPT 1/2" Body High Flow Style Easy To Use Push-Button Safety Release Anti-marring Heavy Duty Composite Body Steel Inner Construction This listing is for a single coupler.