Effective Engine Flusher: designed to remove salt, sand, and silt from your engine to restore and maintain performance. A reliable and convenient way to maintain your outboard motor or stern drive. Reliable Construction: built with sturdy materials for durability and longlasting performance. The black coated spring steel frame provides a secure connection and a hassle flushing process. Easy and Convenient to Use: features a quickconnect hose connector for easy connection to a standard garden hose. To use, slide the cup over the of the sink, connect the garden hose to the fitting, and you are ready to flush your engine. Compatibility: designed to fit most outboards and stern drives with a side water inlet on the lower unit. It offers a proper connection for effective engine flushing. Use Scenarios: After saltwater boating, flush to remove salt and particulates and protect engine internals. Between seasons or during winterization maintenance to prepare the engine for storage. In sandy or silty environments, flush regularly to prevent buildup and maintain performance.