The pool filter cleaning tool is made of high quality plastic. Wear-resistant, durable, long service life and will not damage the filter element. Pool filter brushes can be attached to water pipes. And by turning the knob, users can easily adjust the water volume. Cleaning a swimming pool can be a real headache. Likewise, our pool filter cleaner easily removes debris and dirt, leaving you with clean water. The handheld filter brush can quickly clean the dirt inside the element filtering. Extend the life of your pool or spa filters and equipment. Note: Data is all measured manually. Due to differences in light and display, please allow 1-3cm error. Please refer to the actual item received.