Double the life of your cartridges with the Intex Multi-Functional Cartridge Cleaner. All you need to do is attach it to a garden hose and you're ready to go. You can pick one of the 4 different spray patterns for optimal use. On the nozzle jets, there are ridges to help separate the cartridge pleats for a thorough clean. After you're finished with it, simply use the rear-trigger shutoff. Save money on cartridges this summer by buying the Intex Multi-Functional Cartridge Cleaner.