Enjoy crystal-clear pool water with the Hayward Pro-Grid 48 sq ft DE Filter. Shasta Pool Supply offers competitive pricing and fast shipping on Hayward’s trusted filtration systems. Specifically, the W3DE4820 model uses a 48 square-foot element with a precision-engineered manifold that traps fine debris while maintaining smooth water flow.
Hayward Pro-Grid 48 sq ft DE Filter W3DE4820
Hayward designs this system for lasting reliability and consistent clarity. In addition, the Pro-Grid 48 sq ft DE Filter delivers balanced water pressure for optimal hydraulic performance. Furthermore, the W3DE4820 features non-corrosive materials and simplified maintenance for long-term, worry-free operation.

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Key Features
- Reinforced thermoplastic tank resists corrosion and heavy wear.
- High-impact grid elements support efficient up-flow filtration.
- Rapid-release manual air relief valve allows quick quarter-turn venting.
- Self-aligned tank top and bottom enable fast access for servicing.
Technical Specifications
- Filtration Area: 48 sq. ft.
- Maximum Flow Rate: 96 GPM
- Maximum Working Pressure: 50 psi
- Required Media: 6 lbs of D.E. powder
Specs
- Part Number: W3DE4820
- Manufacturer: Hayward
- Length: 24.0
- Width: 24.0
- Height: 40.5
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What our customers are saying
Easy process... Received notifications of the status and arrived promptly.
Would definitely order other products from this company again
Easy process... Received notifications of the status and arrived promptly.
Would definitely order other products from this company again
Rene S
Ordering and payment was simple and easy to do. Dan is wonderful.
Ordering and payment was simple and easy to do. Dan is wonderful.
DeeDee B
The lights on this site were $200 cheaper than any other site. Pick up was easy and quick.
The lights on this site were $200 cheaper than any other site. Pick up was easy and quick.
Richard B
FAQ
Our expert staff answers customer's most asked questions.
What are the benefits of a DE Filter?
There is a huge benefit to using a DE (Diatomaceous Earth) filter, DE filters have superior filtration, and can trap particles as small as 2-5 microns. This results in exceptionally clear and clean water. This high level of performance is ideal for removing fine debris like pollen and algae. Additionally, this can potentially lead to reduced chemical usage because more contaminants are removed from the water.
How does DE filtration compare to cartridge systems?
The Diatomaceous Earth (DE) filter system offers powerful filtration that captures particles as small as 2–5 microns. It works by coating the filter grids with a fine DE powder, allowing it to trap dirt and debris more effectively than traditional sand or cartridge filters.
Why am I being charged shipping for a return?
For detailed information regarding shipping charges for returns, please review our shipping policy.
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