Great Value PackThe kit includes 30 pool skimmer socks, easy to use, ultra-fine mesh liner, reusable nylon pool filter socks and ultra-elastic pool skimmer for skimmer baskets. Save time and energyPool filters can effectively protect the filtration system, prevent clogging and make swimming pool cleaning easier. Effectively extend the life of the system filtration, while saving pool cleaning time, Ideal swimming pool accessoriesUltra sock skimmer pool-fin easily captures oil, hair, insects, flowers, leaves , insects, pine needles, trash, small stones, Generally speaking, we recommend replacing the skimmer sock every 4-8 weeks, but too much trash will overflow and pollute the pool. Please replace it frequently depending on the use. Wide applicationSwimming pool filters are widely used in: home swimming pools, outdoor swimming pools, spas, etc. Filter the most impurities in the water to bring cleanliness and comfort to your swimming pool.Does not contain toxic and harmful substances, does not affect water quality.