Perfect for the protection of the filtration system: Our Pool skimmer socks can help protect the pump impeller and shaft seal from damage or blockage, extend the life of the pool filter/filter system. Large compatibility: Pool skimmer socks can fit all types of pool filters, baskets or skimmers (including Hayward, Pentair, Skim Master and others. Can even be used to dissolve chlorine tablets) Great helper to clean your swimming pool: Pool skimmer socks can trap leaves, grass, hair, oil, pine needles, pollen, insects and other debris that will clog your pool filtration system. Super Value Pack: 30 pool socks per pack, you can just throw them away or reuse them (if they are not very strong) after 4-8 weeks and replace them with new ones. Free your hands from manual cleaning: With our pool skimmer socks, the only thing you need to do is replace used socks regularly.