Description
Upgrade your DE filtration with the Filbur FC-9340 Diatomaceous Earth Grid. This full-grid replacement (24" x 11", 48 sq ft) is engineered for broad compatibility with the most popular DE filter housings from Pentair, Hayward, Jacuzzi, and Zodiac. When water clarity matters, this grid delivers dependable flow and robust construction that lasts season after season.
- 28" x 11"? No — 24" x 11" full grid design provides a total filtration area of 48 sq ft per grid, optimizing debris loading and reducing maintenance frequency.
- Reinforced center cores and wider break-resistant bands distribute stress evenly, helping prevent grid stress points, cracking, and collapse under heavy loading.
- Integrated fittings simplify installation, eliminating the need for PAD adapters and preserving maximum flow through the grid pack.
- Antimicrobial end caps resist odor-causing bacteria and mold, with durable construction that stands up to saltwater pools and high-chlorine environments.
- Sharp pleat folds prevent bridging and promote deeper dirt penetration into the grid folds, yielding higher filtration efficiency and easier cleaning.
- Embossed part numbers make ordering and reordering straightforward, so you’ll replace the right grid every time.
- Brand-agnostic compatibility designed for DE filter systems from Pentair, Hayward, Jacuzzi, and Zodiac—so you can trust a seamless fit across common setups.
What problems does it solve?
Over time, DE filter grids wear, reducing flow and letting finer particles slip through. The FC-9340 restores peak performance by rebuilding the filtration matrix with durable materials, improving water clarity, increasing debris loading capacity, and extending time between cleanings—especially in saltwater pools or chlorine-intensive systems.
Who should consider this replacement?
Homeowners and service pros who manage DE pool and spa filters and need a dependable, high-durability grid that fits multiple brands. It’s ideal for pools using salt generators, high-chlorine maintenance, or households with frequent debris that require consistent filtration without sacrificing flow.
How it compares to alternatives
Compared to generic grids, the FC-9340 emphasizes reinforced structure and antimicrobial end caps, which help prevent premature wear and preserve sanitary conditions in harsh environments. The integrated fittings and embossed part numbers streamline installation and ordering, reducing downtime and maintenance guesswork.
Practical tips for optimal results
- Before reinstalling, rinse the grid with a gentle water spray to remove any manufacturing dust.
- Shut off the pump and relieve pressure when replacing grids to avoid damage to the housing.
- Inspect the DE filter housing for cracks or wear; a healthy housing supports longer grid life and better filtration.
- Pair the FC-9340 with the appropriate DE media application for your pool’s conditions to maximize dirt capture and clarity.
Specifications
- Model: FC-9340
- Dimensions: 24" x 11" full grid
- Filtration Area: 48 sq ft
- Compatibility: Pentair, Hayward, Jacuzzi, Zodiac DE filter systems
- Material/Construction: Extruded center cores; reinforced end features; wide support bands; antimicrobial attributes
Restore peak filtration performance with the Filbur FC-9340 Diatomaceous Earth Grid. Durable, easy to install, and designed for real-world pool and spa use—place your order today and enjoy clearer water with less downtime.

