General description Flushes cooling systems using workshop air and water. This hand-held coolant system flusher features five pipe size connections: 19mm, 29mm, 32mm, 36.5mm, and 40mm, making it versatile for various applications. It is designed to help remove contaminated coolant after head gasket replacement. Technical specifications Air inlet: 1/4" BSP Manufactured from Polyoxymethylene plastic (POM) Usage Standard air line and water hose fitting allows for easy connection and operation. The trigger action with a locking clip ensures controlled flushing of the cooling system.