Catches All Trash & Debris: This 20 pack pool skimmer socks are made of durable micro-stretch nylon mesh that helps act like a net to attract and catch leaves, grass, debris hair, lifeless scum, oil, pine needles, pollen, bugs and other debris, preventing them from clogging your pool's filtration system. Also great for spas, hot tubs , jetted tubs, etc. Protect Your Pool Filtration System: Using pool socks will help protect and prevent damage and clogging, which will help extend the life of your pool. life of your pool filter/filtration system.Any pool owner who has had pool filter system repairs know how important it is Makes cleaning your filter basket a breeze: skimmer basket socks make cleaning your pool basket easier and tidier. When it gets dirty, just clean it with a garden hose and reuse it or throw it away (if very dirty).Replace with a new sock every 4-8 weeks Fits almost all pool baskets, in-ground and above: our pool skimmer basket guard fits almost any pool skimmer basket shape, including compatible with Hayward, Pentair, Intex, Swimquip and more.Suitable for in-ground and above-ground pools< /p> Great Value: Our 20 pack of filter savers are great value for money. PLEASE NOTE: Do not use to dissolve chlorine flakes in the basket, otherwise it will corrode the socks.Exclusive manufacture and distribution of Impresa products under the Impresa brand