SuperPro DE Grid 15-3/16" x 18" In stock$38⁹⁹

SuperPro FC-9840 DE filter grid, 15-3/16 by 18 inches

SuperPro DE Grid 15-3/16" x 18"

Name: SuperPro DE Grid 15-3/16" x 18"
Brand: Filbur
SKU: SPG-051-0208
Price: 38.99 USD
Availability: InStock

Ask a questionAPS # SPG-051-0208

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$38⁹⁹

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Quick overview

DE grid replacement The fabric covered grid that holds the DE cake inside the filter.
15-3/16" x 18" One specific size in the DE grid range, so match it to the grid you are pulling out.
SuperPro FC-9840 Ordered by part number rather than by guessing from the tank label.
Sta-Rite System 3 Listed against the Sta-Rite System 3 DE filter parts group, S7D75 and S8D110.
Torn grids cause DE in the pool A split seam or a hole in the fabric sends powder straight back through the returns.
Sold as a single grid Full sets use several sizes, so check how many of each your tank takes.

Full description and specifications ↓

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Product details

The SuperPro FC-9840 is a replacement DE filter grid measuring 15-3/16 inches by 18 inches. It is listed against the Sta-Rite System 3 D.E. filter parts group, which covers the S7D75 and S8D110.

What a grid does

A DE filter works by holding a thin cake of diatomaceous earth on the fabric of each grid. Water passes through the cake, the cake traps the fine dirt, and the grid is simply the frame and fabric that keeps that cake in place. Nothing filters until the grids are intact.

When to replace one

The clearest sign is DE returning to the pool after you charge the filter. That is powder passing through a split in the fabric or an opened seam rather than being held on the surface. Grids also stiffen and clog with age and stop taking a clean coat.

Ordering

This is a single grid in one size. DE tanks take a set, and several sizes exist in this range, so pull the old grid and measure rather than ordering from memory.

Specifications
Brand	SuperPro
Manufacturer part number	FC-9840
UPC	645544098405
Type	DE filter grid
Size	15-3/16" x 18"
Fits	Sta-Rite System 3 D.E. filters, S7D75 and S8D110 parts group
Shipping weight	1.2 lb
Ships	Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

What size grid is this?

15-3/16 inches by 18 inches. Other sizes in the same range include 11" x 18", 16-1/2" x 18" and 19-1/4" x 18", so measure the old grid before ordering.

How do I know a grid has failed?

DE powder coming back into the pool through the returns after you charge the filter. That means the fabric has split or a seam has opened and the powder is passing straight through.

Does this listing include a full set?

It is a single grid. A DE tank uses a set, often in more than one size, so count what you need before ordering.

Which filter does it belong to?

It is listed against the Sta-Rite System 3 D.E. filter parts group, covering the S7D75 and S8D110.

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