Image for Perflex® from Hayward Residential and Commercial Pool Products
Product Description

Perflex extended-cycle diatomaceous earth (DE) filters provide superior water clarity and extended filter cleaning cycles without requiring backwashing.

  • Clean pools fast, removing particles as small as two microns the first time through.
  • Patented Flex-Tube design gives longer cycles between cleaning because the same D.E. filter powder is used over and over
  • Unique bump mechanism allows DE flex tubes to instantly and uniformly clean themselves of dirt and DE filter media

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Filter Models

Technical Specifications

Model 1 1/2" Drain Valve 1 1/2" Pressure Gauge / Inspection Port Check Valve D.E. Required Dimen. Width Dimen. Height
EC65A 6 lbs. 21" 31"
EC75A 7 lbs. 21" 31"

Performance Data

Model Effective Filtration Area Public Design Flow Rate Turnover 8 Hrs (Gal) Turnover 10 Hrs (Gal) Residential Design Flow Rate Turnover 8 Hrs (Gal) Turnover 10 Hrs (Gal)
EC65A 27 ft.2 54 GPM 25,920 32,400 67 GPM 32,200 90,250
EC75A 40 ft.2 80 GPM 38,400 48,000 100 GPM 48,000 60,000


  • In-ground pools of all types and sizes