Hayward SP11071 Skim Vac In-Ground Pool Skimmer MODEL SP11071 Furnished with 1-1/4 and 1-1/2 combo hose elbow adapter. For use with Skimmer SP1089 front access style. Fits Hayward swimming pool skimmer SP1089, front access style model 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 Rubber gasket is not included Skim-Vac plate measures 7.25" diameter