10 pcs. Pool Spa Skimmer Basket Filter Saver Mesh Socks Description: REDUCE POOL MAINTENANCE TIME: Pool socks catch small items that would normally pass through the skimmer and enter the pool filter You don't have to disassemble the filter housing to wash the filters under pressure MESH FILTER SOCKS: Fine dirt particles settle to the bottom of the pool and cannot be vacuumed as they are too fine and just let it through again. These filter socks are an invaluable time saver and collect all that fine silt and dirt! CATCHES ALL HAIR AND DAM: Dog friends regularly come to jump and swim With these socks, 90% of hair is quickly caught and shed. Not only has it eliminated virtually all hair, but also all other minor surface contaminants such as bushes and bugs that won't stay caught while using the hand net for poles POOL ACCESSORIES: The pool filter sock is a very effective pre-filter that frustrates the algae that used to constantly flow through the filter and settle back into the pool It is also used in place of the debris net in the pool cleaner to catch the smallest particles DURABLE AND REUSABLE: Clean the skimmer sock of leaves and dirt, wash it and reuse it until it wears out This way the pack lasts a long time These skimmers do an amazing job at keeping the pool clean by catching the smaller stuff that makes it through the basket Specification: Material : Nylon Size chart: 20x10CM/7.87x3.94inch The package includes: 10 pieces of socks with a pool filter?