Filbur Purex Diatomaceous Earth (DE) Grid FC-9220 — a full 12" DE grid that delivers 24 square feet of filtration area, purpose-built to maximize the performance of Filbur DE pool filters.
This replacement DE grid is engineered for longevity and consistent Diatomaceous Earth distribution. It’s designed to resist the rigors of pool chemistry while maintaining steady flow and easy-clean surfaces, helping your water stay crystal clear with fewer backwashes.
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24 sq ft of filtration surface in a compact 12" grid, providing ample contact area for Diatomaceous Earth to trap fine particles and prevent sludge buildup.
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Sturdy extruded PVC frame with uniform cell spacing for even stress distribution and reduced risk of cracking under pressure.
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Precise grid geometry minimizes flow channeling and ensures DE cake penetrates deeply into the folds for higher filtration efficiency.
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Chemical resilience formulated to withstand typical pool chemistries, including chlorine and salt systems, extending grid life in demanding environments.
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Easy installation and reliable fit—designed as a direct replacement grid for Filbur DE filter assemblies (model FC-9220), ensuring a snug, secure seating without adapters.
Who should use it? Ideal for homeowners upgrading an aging DE grid, pool service professionals maintaining high-clarity pools, and facilities with frequent backwashing where dependable DE distribution matters as much as overall flow.
- Residential in-ground and above-ground pools that rely on Diatomaceous Earth filtration
- Saltwater and chlorine-dominant pools requiring corrosion-resistant components
- Anyone who wants longer filter life, easier maintenance, and consistently clear water
Tips for best results: backwash and rinse before reloading with fresh DE, inspect for cracks or warped sections during routine maintenance, and replace the grid if you notice persistent bypass or uneven flow. With the Filbur FC-9220 DE grid, you’ll achieve dependable filtration performance that keeps your water sparkling and inviting.
