Check the listing for details. 20 Pack Pool Filter Saver Skimmer Basket Screen Socks Sock Net Fine Mesh White. Condition: New. Listed at 14.89 USD. 20 Pack Pool Filter Saver Skimmer Basket Screen Socks Sock Net Fine Mesh White Product description Package :20 Pack Now you can have your water pre-filtered before it reaches the pump and filter system. Reduce the amount of dirt, foreign leaves, grass, hair, scum, oil, pine needles, pollen, bugs, pool toys and other debris from going into your filter system and dramatically increases the length of the filter cycle and pool pump system. Traps All The Gunk And Debris Made from durable elastic and ultrafine nylon mesh, these pool skimmer socks act as a net to attract and trap leaves, grass, hair, inanimate scum, oil, pine needles, pollen, bugs, and other debris, preventing them from clogging your pool's filtration system. Also works with spas, hot tubs, jetted tubs and more. Protects Your Filter System, Saving You Money Using a pool sock protects the pump impeller and shaft seal from damage / clogging, thereby extending the life of your pool filter / filtration system. Any pool owner who has been through a filtration system repair knows just how valuable that can be.Makes Cleaning Your Filter Basket A Breeze Skimmer basket socks make cleaning skimmer pool baskets easier and less messy. When soiled, simply clean with garden hose and reuse or throw away (if heavily soiled). Replace with a new sock every 4-8 weeks. Please Note: Do not use while dissolving a chlorine tablet in your basket - it will erode the sock.