The Hayward W3EC75A is a Perflex Extended Cycle Diatomaceous Earth (D.E.) filter designed for both inground and above ground pools. It features a patented Flex-Tube design that efficiently removes contaminants as small as two microns, ensuring crystal clear water while extending cleaning cycles without the need for backwashing. This filter has a 40 square foot filtration area and is built to handle demanding pool applications.








