This Dakota Fields 28602GS Cartridge Filter Pump will be essential to keep your pool water clean. This pump is ideal for Easy Set pools (183/244/305 cm) and Frame (305 cm). The double insulated pump is equipped with an air purge valve for the air held inside the filter chamber. This cartridge filter pump will ensure fast water circulation and a superior swimming experience. Efficient filtration is essential for a quality swim experience. Dakota Fieldss line of pumps and cartridges guarantees a cleaner pool. Remember to change the cartridge periodically to keep the filter running at optimum performance.