【Quick Cleaning】The pool filter cartridge cleaning tools can be connected to garden hoses, making filter cleaning quick and easy. You can turn the knob to adjust the water volume. 【Easy to Use】Upgraded on/off switch and excellent hose connection for easy operation. 【Save Time and Water】Reduce filter cleaning time by up to 50%. Save water and give yourself more time to enjoy your spa or pool. 【Premium Materials】The pool filter brush is made of high-quality PVC, which is durable. It can clean small dust particles and large debris without damaging your filter. 【Wide Compatibility】Fits most standard pool filters (filters not included). It can quickly and efficiently remove debris and dirt from the pool filter in seconds, extending the filter's lifespan. Reduces the frequency of filter element replacement.