Hayward SP1106 - Skim VacThe Hayward SP1106 Skim Vac is a Dyna Skim skimmer that has been redesigned to match the needs of todays above ground pools, while remaining applicable for use on existing pool models. The design utilizes the skimmer basket instead of the pump strainer basket, which eliminates the need to turn the pump on and off. Hayward automatic skimmers have been an industry standard for more than 30 years. 8" diameter Built in rubber gasket One piece body