Perfect for filter system protection, our pool skimmer socks help protect the pump impeller and shaft seal from damage or blockages, extending the life of the pool filter and filtration system. Wide compatibility: These pool skimmer socks fit all types of pool filters, baskets, or skimmers, including Hayward, Pentair, Skim Master, and others. They can also be used to dissolve chlorine tablets. Great for pool cleaning: The skimmer socks effectively trap leaves, grass, hair, oil, pine needles, pollen, insects, and other debris that could clog your pool filtration system. Super value pack: Each pack includes 30 pool socks. Replace them every 48 weekssimply discard or reuse if still in good condition. Reduce manual cleaning: With these swimming pool skimmer socks, all you need to do is replace the used socks regularly. Note: All measurements are manually taken; please allow 13 cm variance. Due to differences in lighting and display, some color variation may occur. The actual product received will prevail.