HIGH-QUALITY MATERIALOur pool skimmer socks are made of superfine high-quality nylon mesh, with excellent elasticity, and are easy to stretch. With a filtration accuracy of 0.001mm, it helps you filter scum from all kinds of pools. Not easily broken after repeated use, not easily deformed, easy to clean, and reusable. GOOD CLEANING HELPERPool skimmer socks filter leaves, grass, stones, hair, pollen, insects, and other debris like a net, protect the pump impeller and shaft seal from being blocked or damaged, thus extending the pool filter and filtration system service life. Helps you keep your pool clean and save money. ECONOMIC & DURABLEEach pool filter saver sock measures 22*13cm and fits the vast majority of pool skimmer baskets. In general, change it every 4-8 weeks, but it is recommended that you check it once a week to prevent too much rubbish from overflowing and polluting the pool. EASY TO INSTALLThe pool filter protection socks have good elasticity and can be installed and removed in seconds. All you need to do is place a pool filter net in a filter or basket to start removing dirt. Only need to change socks regularly and you will never have to laboriously clean your pool again. WIDE APPLICATIONAs an ideal helper for cleaning swimming pools and protecting filter systems, our pool filter saver socks are also perfect for spas, hot tubs, and more. (Note: Please do not use this product with chlorine tablets dissolved in your basket or socks will corrode)