General description Pool cleaning filter socks are designed to effectively filter out leaves, grass, hair, pine needles, pollen, and other debris that can obstruct your pool filter system. These skimmer filter socks help protect your pool filter, preventing damage and extending its lifespan. The pack contains 40 reusable socks, making it an affordable and convenient solution for maintaining clean pool water. Technical specifications Stretch diameter: 2.75 to 8.66 inches (13-22 cm) Material: Elastic and ultra-fine nylon Color: White Pack contents: 40 pool skimming socks Measurement allowed error: +/- 1-3 cm Compatibility and accessories Suitable for swimming pools, hot tubs, spas, and jet tubs Usage It is recommended to replace your pool socks every 4 to 8 weeks Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product