Key benefits Protects pumps, impellers, and shaft seals from damage and clogging, helping extend the service life of pool filter systems. Durable, reusable design with ultrafine nylon mesh and an elastic band for repeated use. Captures fine particles including silts, sand, greases, gypsum, and other debris, reducing debris reaching the filter. Product features Material: ultrafine nylon mesh with a strong elastic band. Fit: easy to stretch fabric that fits snugly into your pool filter basket. Maintenance: the filter basket is easy to clean by washing; filter socks should be discarded and replaced regularly. Function and performance Provides a prefilter layer to shield the main pool filter system from fine debris. Helps maintain cleaner filtration cycles by trapping small particles before they reach the basket. Reusable design lowers replacement frequency while maintaining filtration effectiveness. Compatibility and use Designed to be used with pool filter baskets that accept an ultrafine nylon filter sock. Fits into standard pool filter baskets with a stretchable, secure fit. Use scenarios Residential inground or aboveground pool maintenance to prevent clogging and prolong filter life. Pools located near dusty or windy areas where fine particles and silts are common. Regular pool maintenance routine: place sock in basket, run filter, then wash the basket and socks as part of upkeep. Care and replacement After use, rinse or wash the basket to remove trapped debris. filter socks regularly to maintain filtration efficiency.