- The mesh for pool filters are made of nylon. They are simple to handle, easy to stretch and can be reused many times. They help catch dog hair, dirt, oil, leaves, pine needles, small bugs and other debris to keep your swimming pool clean and comfortable. The pool socks are suitable for any size and shape of pool skimmer basket, even spas, hot tubs, jetted tubs and more. KEEPS THINGS CLEAN AND TIDY QUICKLY - Cleaning the pool filter basket is easier with a skimmer socks. When soiled, simply wash with the garden hose and re-use or throw away (if badly soiled) The frequency of replacing the swimming with a new is determined by the amount of debris actually filtered. It reduces the number of cleanings and allows us to spend more time with family or friends. SAVE MONEY - The pool filter socks protects the pump impeller from clogging the pool filtration system, extending the life of the filtration system and saving money. Filter sock are great for helping to keep pool skimmer filter