Marine Engine Flushing Mixer: Simple and convenient to use with salt remover solution; Compatible with garden hoses and engine flushing devices or nozzles. Removes salt deposits on fiberglass, metal, vinyl, plastic, and painted surfaces, as well as fishing and diving equipment. Features a 2-position switch for water and soap functions, allowing control of water flow or application of cleaning solution. Constructed with ultra tight welding technology for reduced leakage and secure connections. Durable ABS material in black and yellow. Suitable for use on boats, RVs, campers, trailers, ATVs, cars, trucks, jet skis, motorcycles, fishing gear, diving equipment, snow plows, and salt tanks. Package includes: 1 x Boat Engine Flush Mixer Liquid Flow Valve. Only the items listed are included. Note: Lighting and display settings may cause slight color variations. Measurement may vary by +/- 1-3 cm.