
Authorized Hayward Distributor
When you purchase from AquaDoc, you're guaranteed to receive an authentic Hayward device. Order with confidence, knowing you'll receive top quality pool equipment.
Hayward Perflex® W3EC40AC 20 SqFt Modular DE Filter
Hayward Perflex® W3EC40AC 20 SqFt Modular DE Filter
Couldn't load pickup availability

The Hayward Perflex® W3EC40AC 20 SqFt Modular DE Filter provides crystal clear, sparkling water at an economical price. The Perflex Extended-Cycle diatomaceous earth (DE) filters are proven over many years to set the standard in swimming pool filtration. By incorporating the Flex-Tube™ design in combination with diatomaceous earth, the most effective filter media available, Perflex delivers superior water clarity, extended filter cleaning cycles, and eliminates the need for backwashing.
- Provides crystal clear, sparkling water.
- Incorporates Flex-Tube™ design with diatomaceous earth for superior filtration.
- Extended filter cleaning cycles with no backwashing required.
Choose the Hayward Perflex® DE Filter for outstanding water clarity and economical pool filtration.


The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.
Why choose AquaDoc?
- 🌟 Top-notch products designed by leading pool & spa brands.
- 📦 Proudly ship locally from the USA, ensuring faster delivery.
- 👷♂️ Every purchase supports American income and jobs.
Order With Confidence
Satisfaction guaranteed! We're here to help with any pool or spa related issues. Contact us anytime for assistance.
Free shipping on all orders over $75!
AquaDoc
Eagle Ray Digital Water Testing Kit
Share
Say goodbye to guesswork with our easy-to-use tester that provides fast and accurate readings for: Total Chlorine, Total Hardness, Free Chlorine, Cyanuric Acid, Total Alkalinity, Bromine, and pH Levels.
As seen on




You may also like
-
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per