Features and Benefits: * Includes flush gun, hose, canister and canister adapter * Fill canister with flushing material, pressurize with shop air and flush each component * Excellent for quickly and effectively removing refrigerant oil and debris during retrofitting or compressor replacement * Flush gun is simple to use and will hold up through many flush procedures Designed to work with any light weight A/C flushing agent which can be mixed w/pressurized air. A must use when replacing a failed compressor, ensure all the debris from the damaged A/C compressor is removed.