Perflex Extended-Cycle D.E. Filters clean pools fast, removing particles as small as one micron the first time through. Its 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.
The most effcient dirt remover known for swimming pool filtration.
Hayward Perfex D.E. filters provide the deepest, most comprehensive clean, removing microscopic dust and pollen as small as one micron – 100 times smaller than a grain of salt.
Diatomaceous earth is a porous powder with microscopic openings, that, when magnified, look like tiny sponges. Clear water can pass through these openings, but particles, as small as one to three microns, are trapped during the first pass through the media. D.E. filters have internal elements that become coated with D.E. It is this 'filter cake' that strains dirt, dust, algae, and some forms of bacteria from the water.
Similiar to sand filters, when D.E. filters become dirty, they are cleaned either by backwashing, or regenerating and draining the clogged D.E. to the 'waste' line. To restore filtration, a fresh 'charge' of D.E. is added to the filter. For sparkling, clean pools; step up to Hayward D.E. filters.
Applications:
▪
In-ground pools of all types and sizes.
Features:
▪ Exclusive bump handle activates the mechanism causing the Flex-Tubes to instantly and uniformly clean themselves of dirt and filter powder
▪ Self-venting design automatically expels any air that may be present in the system
▪ Proven, patented Flex-Tube filter elements efficiently reuse the filter powder and dirt mixture forming a fresh filtering surface
▪ Combination pressure gauge and threaded inspection/service port is easy to read and remove when filter needs cleaning
▪ Heavy-duty filter tank injection-molded of high-strength Duralon™ for dependable, corrosion-free performance
▪ Integral check valve prevents system backflow whenever pump is off.
▪ See Specifications
▪ See Parts
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