Flusher with double action water supply (both sides) to flush salt water, dirt and sand from the engine cooling system. It is also used to test the engine out of ordinary operation (dry) when it is ensured that the coolant is supplied to the engine during dry testing. The double action function is very suitable for large engines with double water-intakes on the shaft. Size of the rectangular oars 85 x 125 mm. Supplied including quick-connect hose adapter.