[Usage]: The swimming pool filter brush is used to clean the dirty swimming pool filter element and prolong the life of the filter. Suitable for; most standard pool filters. [Size]: hand measures only 25 x 10 x 6 cm, small and light, easy to carry. carry and does not take up too much storage space. [Adjustable water volume]: The water pipe can be connected and the knob is convenient for users to adjust water flow and velocity. Save water and reduce filter cleaning time 50%. It gives you more time to enjoy the spa or swimming pool. [High Quality Material]: The water tank filter cleaner is made of high quality material. made of sturdy ABS material, which can be used for many years. Frequent use of this product will extend the life of the filter. [Quality Service]: We are committed to provide better products and services. If you have any questions about our products, do not hesitate to contact us. contact us!