1. No messy spraying. The 12 teeth open all 11 pleats in one action. Cleans both sides of the pleats in one easy motion. The super simple filter cleaner goes deep into the center of the filter pleats to ensure a thorough clean. It also prevents dirt from flying out of your hose. 2. The pool filter brush is compatible with standard garden hoses and can be connected to the water hose. And there is a rotary knob to adjust the size of the water flow. 3. Simply connect it to your standard garden hose connector and the water will project a powerful motion along each of the grooves to give your hot tub or pool filters a deep clean. 4. Effortlessly removes debris and dirt for a clean water flow quickly and efficiently. Our pool filter cleaner can easily remove debris and dirt for a clean water flow. Remove debris from the filter in seconds. Designed to be compatible with most standard hot tub, spa, and pool filters (filters not included). 5. Size: The handheld pool cleaning brush is only 25 x 7 cm, small and lightweight, easy to carry, and does not take up too much storage space. Delivered quantity: 1 piece Product color: blue Product specification: 25 * 7 cmGood quality product