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Rectangular D.E. Filter Grids with Top Exit Port for Sta-Rite System:3 Model S7D7 (Set of 11), replacement of Unicel FS-3037

Rectangular D.E. Grid Set
4 5/8"
In Stock
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Product Highlights

This Rectangular D.E. Grid Set Pool Filter is 12" long, 4 5/8" wide, with a Multi-Pack OD. This D.E. filter is durable and effective at capturing microscopic debris. It is crafted of highest quality materials; and engineered to be superior. Take comfort that it will efficiently remove unwanted bacteria and contaminants, keeping your water crystal clean.
Our D.E. Grid Replacement Filter Cartridges for pools are engineered to meet or exceed OEM specifications. They install easily, and begin working to clean water immediately. Once you have tried our filters, you will see how they filter out more debris than the other brands, and out last other brands.

  • Diotomatious Earth Grid Filter
  • Guaranteed Perfect Fit
  • Filters Bacteria & Contaminants
  • Simple Installation

Interchangeable Part Numbers




We have listed all known part numbers associated with this product. Some part numbers may not be listed for old/discontinued items. Every filter on this site is different. If you aren’t sure if this is your filter, call 661-833-9600. We’re happy to help.

Supported Brands

Pentair Pool Products, Sta-Rite

Some brands may not be listed. If you aren’t sure if this is your filter, call 661-833-9600. We’re happy to help.

Additional Product Details

Sta-Rite System:3 model S7D75 DE filter set This set includes 11 DE Grids

  • 1 FG-3912 offset port
  • 2 FG-3913 offset port
  • 2 FG-3009 center port
  • 2 FG-3012 center port
  • 2 FG-3015 center port
  • 2 FG-3016 center port


Also known as System 3, System3

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Enjoy our comprehensive pool & spa collection that includes world-class filters and state-of-the-art pool, spa, and pond accessories at exclusive discount club prices. Please let us know if we don’t have what you need, we CAN find it.

Wrong product, go to our Filter Finder to find your pool & spa filter cartridge. Or…We’re here to help. Call 661-833-9600 M-F 5:30 am to 4 pm PST. Is it after hours, email, and we’ll get back to you ASAP.

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