Description
Filbur FC-9320: Diatomaceous Earth DE Grid for Pentair/Hayward, Full 12" x 11" | 24 SqFt Engineered for pool owners who demand lasting filtration performance, the Filbur FC-9320 DE Grid delivers dependable, high-capacity filtration in a single, full-size grid. Designed to fit Pentair and Hayward DE filter systems that use a 12" x 11" grid, this 24 sq ft grid is the reliable replacement option you’ve been waiting for. Why this DE grid stands out
- Robust, extrusion-based frame: The grid features a strong, extruded PVC frame that distributes stress evenly across the surface. This structural integrity helps prevent cracks and warping under pressure, so you get consistent filtration over seasons of use.
- Even DE distribution for deeper filtration: The reinforced grid construction holds Diatomaceous Earth precisely where it’s needed, minimizing channeling and ensuring particulates are trapped deeply in the filter media for clearer pool water.
- Chemical and salt resilience: Built to withstand common pool chemistries, including salt pools and high-chlorine environments, helping extend grid life and maintain filtration efficiency.
- Aligns with OEM sizing and performance: Specifically sized for standard 12" x 11" grids, this FC-9320 replacement grid plugs into compatible Pentair/Hayward DE filters, restoring peak filtration without complicated modifications.
- Easy installation and reliable fit: Designed to match the exact dimensions and snap-in fit of original grids, so installation is straightforward and secure, with no guesswork about compatibility. Ideal use cases
- Replacement for aging or damaged DE grids in residential or light commercial pools using Pentair or Hayward systems.
- New installations where you want the reliability and performance of Filbur-quality grids with proven durability.
- Saltwater or high-chlorine pools where long-term grid integrity is a concern and a robust frame matters. What you gain with Filbur FC-9320
- Enhanced filtration efficiency: A full 24 sq ft of DE grid surface area supports thorough contaminant capture, helping maintain sparkling, clear water between cleanings.
- Longer service life: The grid’s reinforced frame and chemical resistance help it withstand demanding pool environments, reducing frequency of replacements.
- User-friendly maintenance: Built to resist mold and odor-prone conditions common with DE systems, while maintaining easy handling during routine backwashing and DE replenishment. Maintenance tips and practical notes
- Inspect for cracks or warping during routine maintenance; replace the grid if you notice any damage to preserve filtration performance.
- Rinse the grid gently with clean water after backwashing to remove Debris before reinstalling.
- Pair with compatible DE replenishment for optimal filtration efficiency and water clarity. Choose the Filbur FC-9320 DE Grid to restore your Pentair/Hayward DE filtration to peak performance. With a durable frame, even DE distribution, and build quality designed for real-world pool use, it’s a smart, long-lasting replacement that keeps water clear and chemistry stable.

