Hayward 48 sq ft DE Pool Filter – Superior Diatomaceous Earth Filtration. Pro Grids.

The Hayward W3DE4820 Pro-Grid 48 sq ft DE Filter provides exceptional water clarity for medium-to-large in-ground pools with the proven performance of diatomaceous earth (DE) filtration. Built for durability, efficiency, and ease of maintenance, it captures the finest particles—down to 2 microns—for sparkling, crystal-clear water all season long.

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Key Features

• 48 sq ft filtration area ideal for medium-to-large in-ground pools 

• DE filtration removes particles as small as 2 microns for unmatched clarity

• Reinforced, corrosion-proof filter tank for long-lasting durability

• Efficient plumbing design to maximize water flow and reduce energy costs

• Manual air relief valve for safe and easy pressure release

• Full-size 2" internal piping for improved flow and filtration performance

• Heavy-duty, tamper-proof one-piece flange clamp for secure tank sealing

• Quick DE recharge capability for fast and easy maintenance

• Suitable for pools of various surface types and sizes

• Designed for reliable performance season after season

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Product Overview

The Hayward W3DE4820 Pro-Grid 48 sq ft DE Filter combines premium construction with advanced DE filtration technology to deliver crystal-clear water for medium-to-large residential pools. Its reinforced, corrosion-proof tank ensures years of dependable service, while the precision internal piping optimizes flow for improved efficiency. The heavy-duty clamp design allows quick access for maintenance, and the DE filtration system captures even the smallest debris for pristine water quality. Designed for low maintenance and long-term reliability, the W3DE4820 is a top choice for pool owners seeking professional-grade filtration performance.