PREMIUM MATERIAL CLEANING: The water tank filter cleaner is made of sturdy ABS material to last for years. Regular use of this product will extend the life of the filter. Size: The size of the portable pool cleaning brush is only 7 x 25 cm, compact and lightweight, easy to carry and does not take up much space. Upgraded Design: 10 fan-shaped nozzles open at the same time to clean 10 folds. No splashing. The cartridge cleaner removes debris and dirt from your filter in seconds. Adjustable: The pool filter brush can be attached to the water hose. And by rotating the knob, users can easily adjust the water volume. CONVENIENT: Our pool filter cleaner easily removes debris and dirt for clean water flow. Designed to be compatible with most standard spa and pool filters (excluding filters). Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.