Feature: 1. Dual Feed Dual Flow: Dual flow design motor flusher provides higher pressure and better cleaning power. Our motor flusher also comes with an adapter for 5/8 inch (16mm outer diameter) hose. 2. Product Purpose: Use our marine motor flusher for regular maintenance to rinse off salt and mineral deposits. Ideal for using antifreeze to winterize the engine, which is convenient and practical. 3. Convenient Use: Simply attach the motor flusher over the lower unit air inlet port, connect the garden hose to a standard 5/8 inch quick connect valve, and then flush the outboard engine. 4. Compatible Model: This motor flusher is compatible with most engine model, suitable for Evinrude, for Johnson, for Suzuki, and other on inboard and outboard engines, has strong compatibility. 5. Excellent Materials: The outboard motor flusher is made of excellent spring steel and rubber materials, with high strength, erosion resistance, and no deformation, suitable for various environments. Specification: Item Type: Dual Feed Motor Flusher Material: Spring Steel, Rubber Detachable Hose Fitting: 16mm (5/8 inch Outer Diameter) Suction Cup Size: Approx. 100mm / 4in Installation Position: Motor Air Intake Port. Package List: 1 x Dual Feed Motor Flusher (With 5/8 Inch Connector)