Perflex extended-cycle diatomaceous earth (DE) filters provide superior water clarity and extended filter cleaning cycles without requiring backwashing. Patented Flex-Tube design gives longer cycles between cleaning because the same D.E. filter powder is used over and over.
Hayward Perflex 40 sq ft DE filter keeps your pool sparkling clean all summer long.
The patented FlexTube design in combination with diatomaceous earth, creates the most effective filter media available.
Spend more time enjoying your pool and less time maintaining it with Hayward's superior filtration systems.
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Unique bump mechanism allows DE flex tubes to instantly and uniformly clean themselves of dirt and DE filter media