ATIE PoolSupplyTown Above-Ground Pool Thru-Wall Skimmer Basket for Pentair HydroSkim Skimmer 513330 Fits most above ground wall skimmers Capture debris to help prevent clogging plumbing Replace Pentair HydroSkim Above Ground Skimmer Part No: 513330 Also fits Hayward SP1091WM Dyna-Skim Above-Ground Pool Skimmer