CLEANING EASIER and FASTER - After using the filter socks, makes cleaning the pool basket easier. When it gets dirty, rinse it with a water gun for tens of seconds then reuse it. Or just throw it away (if heavily soiled. If not dirty heavily, could replace the new pool skimmer sock after 4-8 weeksSAVE YOUR FILTER - Saving Money by protecting your Filter SystemCatching any dirt, debris, and Dog Hair before it enters the filter system, the scum socks do a great job of helping to keep the filter running efficiently, preventing debris from clogging your pools filtration system and reducing the amount of maintenance needed on the filter system. Also works with spas, hot tubsUNIVERSAL DESIGN - Fit most pool baskets. skimmer socks stretching diameter is 2.75 to 8.66 inches, 13-22 cm, fit most inground and above-ground pool filterQUALITY and AFFORDABILITY - With high attention to durability using performance, the socks are made from durable elastic and ultrafine nylon for better durability. At the same time, By examining different sock compilation densities to ensure a consistently good water flow rate without affecting the filtration effectKEEP POOL CLEANER - By using pool filter socks, Traps all the gunk and debris, and keeps your water sparkling clean. Save time to having fun with family /friends by playing water, not on a boring tidy pool skimmer filter system