Filter System Protection: Skimmer socks catch and remove the smallest debris such as leaves, grass, insects, oil, hair, pollen and other floating debris, before they reach and clog your pool pump and filter, extending the life of your pool filter and filtration system. Easy to Install: The skimmer socks are made of ultra-fine nylon mesh, have good elasticity, can be reused many times, you can easily put them on the basket and take them off, suitable for most types of pool pumps, filter baskets, pool baskets, skimmers, etc. Universal Fit: Our pool filter socks work with in-ground and above-ground pools, hot tubs and spas, etc. And they should replace or clean the socks every 4-6 weeks, when they are too dirty to allow water to flow through. Note: Please do not use the product while dissolving a chlorine tablet in your pool skimmer basket. Otherwise, the skimmer sock will be seriously eroded. Material: Strong elastic superfine nylon mesh Product color: White Product size: Tiled 22*13cm Packing list: Our 20 pool skimmer socks are delivered. Welcome to meet