Complement your cleaning collection with the RYOBI 2-Pack of Pool Vacuum Replacement Filters. These filters trap small particles such as dirt and sand from entering the vacuum's motor. Easily remove the filter from the canister by twisting it to the unlock position. These filters can be washed with soapy water and should air dry before being used again. Replace your filter every year for best vacuum performance. These replacement filters are compatible with the RYOBI 18V ONE+ Pool Vacuum (PCL780).