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Perflex®
Product Description

Perflex Extended-Cycle diatomaceous earth (DE) filters provide crystal clear, sparkling water at an economical price. Proven over many years, Perflex has set the standard in swimming pool filtration by incorporating the Flex-Tube™ design in combination with diatomaceous earth, the most effective filter media available. The result is superior water clarity, extended filter cleaning cycles - and no backwashing required.


  • Cleans pools fast - removes even the smallest particles the first time through
  • Patented Flex-Tube system efficiently reuses DE 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
  • Easy access clamp assembly

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Filter Models

Technical Specifications



Model Pressure Gauge Deluxe 1 1/2" Drain Valve Built-In Check Valve Service / Inspection Port D.E. Required Dimen. Width Dimen. Height
EC40AC 4 lbs. 16" 26 1/2"
EC50AC 5 lbs. 13 1/2" 31 3/8"

Performance Data



Model Effective Filtration Area Design Flow Rate Turnover 8 Hrs (Gal) Turnover 10 Hrs (Gal)
EC40AC 20 ft.2 40 GPM 19,200 24,000
EC50AC 25 ft.2 50 GPM 24,000 30,000

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