Allows for easy flushing of the cooling system, keeping it at peak efficiency. Cleans system of debris and contaminants including saltwater, sand and sediment. Helps prevent accumulation of debris and contaminants. Makes using salt elimination treatments, engine flushes, cleaners; and corrosion inhibitors a breeze. Fits: Polaris Sl650/750/Slt750 94-95, Sl/Slt700/Sl/Slt780/Sl900/Hurricane 96-97, Slx780 95-96, Sltx 96-99, Slx785 97-98, Slth 98-99, Slh/Slxh 98-01, Slx 99-01, Pro 99-00, Genesis (Carb) 99-02, Virage Tx (Carb) 00-02, Virage (Carb)/Octane/Freedom 02-04.