Hayward Pool Products Item Number: W3EC40AC Perflex Extended-Cycle D.E. filters 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. Applications • Above-ground/on-ground pools • Small in-ground pools Features • Easy access clamp assembly • Cleans pools fast — removes even the smallest particles the first time through • Uses D.E. (diatomaceous earth), the most effective filter media available • Patented Flex-Tube system efficiently reuses D.E. powder and dirt mixture to form fresh cleaning surfaces • Exclusive bump handle activates the Flex-Tubes, causing them to instantly purge themselves of dirt and powder • Uniquely designed to expel any air that may be present in the system through the filtered water returning to the pool • Combination diffuser and lower mixing chamber specifically designed to produce a uniformed coating of D.E. on the Flex-Tubes
