Package ContentYou will receive a pack of 30 swimming pool filter bags. If the socks are too dirty to slow down the water flow, they should be replaced or cleaned every 4-6 weeks. High-quality MaterialThe pool skimmer socks are made of high-quality nylon fabric with good elasticity to cover the skimmer basket. are easy to stretch, not easy to tear. Suitable SizePool skimmer socks size: 23 x 12 cm / 9 x 4.7 inches (good flexibility, maximum size: 46 x 26 cm / 18.1 x 10.2 inches). The grid of the skimmer sock is very small, which can prevent garbage from directly entering the swimming pool filtration system, becomes a protective barrier, prevents damage and avoids clogging. ReusableFine mesh socks make cleaning pool baskets easier and cleaner. In addition, you can simply clean the sock with a garden hose when it is dirty, which can keep your pool clean and save costs. Wide ApplicationPool skimmer socks are suitable for all types of pool filters, baskets or skimmers. Ultra-fine pool filter socks can easily collect oil, flowers, leaves, insects, pine needles, garbage, small stones, small toys and other small debris, dirt particles, which can clog the pool filter capture system.