PERFECT PROTECTION FOR FILTRATION SYSTEMS: These Pool Skimmer Socks protect pump faults and wave seals from damage or clogging without having to worry about these impurities damaging your filtration system and prolonging the life of your filter system. life of your pool filter/filtration system. Wide Compatibility: Our pre-filter skimmer is made of thick, ultra-thin nylon fabric (size: 22 x 13). It is of the highest quality, durable, very flexible, easy to stretch and suitable for most types of pool pumps, filter baskets, swimming pool baskets or filter baskets etc. Just pull them through the skimmer basket, put them back in the basket, and change the pool socks regularly. maintain your pool. These pool skimmer socks trap oil, hair, bugs, grass, pollen, leaves, pine needles and other small debris that can clog your pool's filtration system. It's a simple yet effective and cost effective way to protect your pool filter. Easy to install and requiring no manual cleaning: these Pool Prefilters are flexible. Just slide the sock over the basket and it will be installed in seconds without coming loose. It is perfect for the skimmer basket of your swimming pool. You just need to change used socks regularly. You can replace your socks with new ones every 4-8 weeks. Save Money: Use the Pool Skimmer Socks to protect the pump impeller and shaft seal from damage/clogging, thus extending the life of your pool filter.