Effective way to flush engine with water to rid salt, sand and silt & to prevent corrosion. round black rubber cups. Black coated spring steel frame for quick & secure connection. Includes quick connect style hose fitting, connects to a standard garden hose. Easy to connect - cups over the top of the water intake slots,connect your garden hose to the quick connect fitting. Condition: Item Type:Outboard Motor Water Flusher Application:Suits most outboards & stern drives (which have side water intakes on the lower unit) Colour:Black Material:Stainless steel Package Contents: 1 * Outboard Engine Water Flush Flushing Muff Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.