Effective way to flush engine with fresh water to rid salt, sand and silt and to prevent . Large Rectangular black plastic cups. Black coated spring steel frame for quick and secure connection. Includes quick connect style hose fitting, connects easily to a standard garden hose. Easy to connect - cups over the top of the water intake slots and connect your garden hose to the quick connect fitting. size:40 x 15cm Material:Plastic + Metal colour:black Package Contents: 1 x Marine cleaner Only the above package content, other products are not included. Note: Light 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.