Hayward 20 sq. ft. Perflex D.E. Filter

HAYWARD W3EC40AC20 sq. ft. Perflex extended-cycle D.E. pool filter. Perflex provide crystal clear, sparkling water at an economical price. Proven over many years, Perflex has set the standard in swimming pool filtration by incorporating the patented Flex-tube design in combination with D.E., the most effective filter media available. The result is superior water clarity, extended filter cleaning cycles and no backwashing required. Cleans pools fast - removes even the smallest particles the first time thr...