Hayward Perflex Extended-Cycle 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.

Providing crystal clear, sparkling water at an economical price, it the Perflex D.E. Filters have been proven reliability, and energy savings over many years, Perflex has set the standard in swimming pool filtration by incorporating the patented Flex-Tube design in combination with D.E. filter powder - the most efficient dirt remover known for pool filtration. The result is superior water clarity, extended filter cleaning cycles - and no backwashing required.

• Easy access clamp assembly
• Cleans pools fast - removes even the smallest particles the first time through
• 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 pool 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
• Includes a pressure gauge, deluxe 1 1/2" drain valve and built-in check valve

FI1917:
D.E. required: 4 lbs.
19,200 gallons per 8 hours
Effective Filtration Area: 20 ft.sq.
Design Flow Rate: 40 GPM
Width: 16"
Height: 26 1/2"

FI1919:
D.E. required: 5 lbs.
24,000 gallons per 8 hours
Effective Filtration Area: 25 ft.sq.
Design Flow Rate: 50 GPM
Width: 13 1/2"
Height: 31 3/8"
Includes Service/Inspection Port

Product Brochure

Owner's Manual (PDF) for FI1917

Owner's Manual (PDF) for FI1919

Filter Sizing Information

Click here for the D.E. Filter Troubleshooting Guide

Click here for more information on Sand, Cartridge, and D.E. Filters

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