Hayward Perflex 20 sq ft Modular Filter w/ Clamp | W3EC40ACProduct Overview The Hayward Perflex 20 sq ft Modular Filter with Clamp W3EC40AC is an extended cycle DE filter designed to deliver clear, sparkling pool water with simple, efficient operation. Built with Haywards patented Flex Tube design, this filter uses diatomaceous earth to capture fine particles and help maintain excellent water clarity. Unlike traditional backwash DE filters, the Perflex system does not require backwashing. Instead, the

A: This pump is rated at 3 HP / 3 THP

Clear model identification helps customers choose the correct pool light

and overall pool appearance

allowing pool owners or service technicians to replace a faulty or damaged drive unit and restore the pump’s advanced variable speed and flow control functionality

Restoring heater efficiency and heat transfer

Q: Does this include the lid O-ring

Finish: Compact

Quiet Performance: Operates smoothly without loud mechanical noise

OEM Pentair light niche adapter

and support reliable pump performance after service

Pentair IntelliCenter LITE i5PS Control Panel (523910)

Q: Is this remote waterproof