Features: Made from durable elastic and ultrafine nylon mesh, these pool skimmer socks are used to attract and trap leaves, grass, hair, oil, pine needles, pollen, bugs, and other debris. Preventing the pump impeller and shaft seal from damage / clogging, protect your pool\'s filtration system. Easy to install, you can put them on and off the basket easily. Premium quality nylon pool basket filter socks fit all pool baskets, and can be reused many times. Replace with a new sock every 4-8 weeks.