Filter Flosser is a powerful and easy to use tool specially developed for cleaning cartridge filter systems for swimming pools, spas and swim spas. This quick and easy to use tool fits a standard garden house. The unique design saves 50% water and can be used with any size or type of filter. The curved nozzle design creates a powerful converging spray pattern that generates a unique water and air agitating action that penetrates deep between creases for fast, thorough cleaning.