Replacement Skimmer Vacuum Plate with 1.5 Inch Hose Adapter For Part # SP11051 Fits Hayward front access swimming pool skimmer SP1090, SP1091, SP1096, SP1097 and SP1098 By utilizing the skimmer basket instead of the pump strainer basket, the need to turn the pump on and off is eliminated. Simply attach the appropriate Skim-Vac to the vacuum hose located over the skimmer basket and begin vacuuming Measures 6-inch diameter