Hayward 40 sq. ft. Perflex D.E. Filter

HAYWARD W3EC75A 40 sq. ft. Perflex extended-cycle D.E. pool filter. Perflex cleans pools fast removing particles as small as 1 mic the first time through. It's patented Flex-tube design gives longer cycles between cleaning because the same D.E. filter powder is used over and over. Plus, Perflex cleans without backwashing, saving hundreds of gallons of treated pool water. An exceptional value as a replacement filter or for new pool installations. For sparkling, clean pools, step up to Perflex. Exclusive b...