Product Overview

The Unicel FG-1003 18" DE Filter Grid is a premium replacement grid designed to restore peak performance to your DE pool filter system. Built with high-quality, chemical-resistant fabrics and strong reinforced stitching, this grid ensures superior filtration, improved water clarity, and long-lasting durability. Compatible with many popular DE filter brands—including Pentair/Pac Fab, American Products, Hayward, and Sta-Rite—the FG-1003 offers a precise fit and dependable operation for both residential and commercial pool applications.

Ideal For

• Replacing worn or damaged 18" DE filter grids

• Pentair/Pac Fab, American, Hayward, and Sta-Rite DE pool filters

• Homeowners and pool professionals seeking reliable performance

• Improving water clarity and filtration efficiency

• Regular seasonal maintenance or complete grid assembly overhauls

Key Features

• 18" DE Filter Grid – Standard size for a wide range of DE filter systems.

• High-Quality Fabric Construction – Resistant to pool chemicals, stretching, and breakdown.

• Precision Fit – Engineered to match OEM specifications for dependable compatibility.

• Reinforced Stitching & Frame – Extends service life, even under high pressure and heavy debris load.

• Superior Filtration – Provides exceptional particulate capture for crystal-clear water.

• OEM-Level Performance – Matches or exceeds the original manufacturer's quality.

• Easy Installation – Fits directly into your existing DE grid assembly.

Benefits

• Cleaner, Clearer Water
  High-efficiency fabric captures fine debris, restoring your filter’s ability to polish the water.

• Extends Filter Life
  Durable materials stand up to repeated backwashing and chemical exposure.

• Reliable Compatibility
  Designed to fit multiple brands, reducing guesswork and ensuring consistent performance.

• Cost-Effective Replacement
  Refresh your existing DE filter assembly without purchasing a brand-new system.

• Professional-Grade Quality
  Trusted by pool technicians for longevity and filtration efficiency.

Customer-Facing Q&A

Q: Which filters does this grid fit?

This 18" grid is compatible with select Pentair/Pac Fab, American Products, Hayward, and Sta-Rite DE filter systems. Always check your current grid size and model to confirm.

Q: Is this the full grid set or an individual grid?

This listing is for one individual 18" DE grid. Full sets require multiple grids depending on your filter model.

Q: How do I know if my grid needs replacement?

Replace your DE grid if you notice: tears in fabric, excessive staining, deformation, or recurring DE leaks into the pool.

Q: Is this grid difficult to install?

No. It simply slides into place within your existing DE grid manifold. Most users can complete the installation in minutes.

Q: Is this an OEM product?

This is a high-quality Unicel aftermarket replacement, designed to match or exceed OEM standards.