Jacuzzi 42356907R DE filter grid, 8-1/2 by 12 inchJacuzzi DE Filter Grid 8-1/2" x 12" (4 Required), 42356907R In stock$4499
Jacuzzi 42356907R DE filter grid, 8-1/2 by 12 inch
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Jacuzzi DE Filter Grid 8-1/2" x 12" (4 Required), 42356907R

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$4499
In stock
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Quick overview

  • The short grid in the set Four of this 8-1/2" x 12" size are required, out of the 6 grids the filter takes in total.
  • Sized 8-1/2" wide by 12" long Measure an old grid against these numbers before ordering.
  • Fits Landslide LS40 and Avalanche AV40 Listed for both Jacuzzi DE filter models.
  • Carries the DE The grid fabric is what holds the diatomaceous earth that does the actual filtering.
  • Replace torn grids promptly A split grid lets DE straight back into the pool and shows up as a cloudy return.
  • Sold individually Each order is one grid, so count what you need for the set.
Full description and specifications ↓

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Product details

Jacuzzi 42356907R is the 8-1/2" by 12" DE filter grid used in the Landslide LS40 and Avalanche AV40 filters. Four of this size are required, out of the 6 grids the filter holds in total.

What the grid does

A DE filter does not filter through the grid itself. The grid is a frame with a fabric skin, and the diatomaceous earth you add coats that fabric. The coating is the filter medium. The grid just has to hold it evenly and stay intact under flow.

When to replace one

A tear or a seam split lets DE pass straight through, which comes back as powder in the pool and a return that never quite clears after a recharge. Check each grid against the light with the manifold out. Because grids age together, a set that is starting to fail in one place is usually not far off failing elsewhere, and replacing a single grid alongside five worn ones often means opening the filter again before long.

Specifications
Brand Jacuzzi
Manufacturer part number 42356907R
Type DE filter grid
Width 8-1/2"
Length 12"
Quantity required 4 of this grid
Total grids in filter 6
Fits Jacuzzi Landslide LS40, Jacuzzi Avalanche AV40
Sold as One grid
Shipping weight 0.95 lb
Ships Parcel

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Questions and answers

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

How many of these does my filter take?
Four. The filter uses 6 grids in total, and the other two are a different size.
What are the dimensions?
8-1/2" wide by 12" long.
Which filters does it fit?
It is listed for the Jacuzzi Landslide LS40 and the Jacuzzi Avalanche AV40 DE filters.
Do I have to replace all the grids at once?
Not necessarily, but grids age together. If one has torn from wear rather than damage, the rest are usually close behind, and mixing a new grid with worn ones tends to send you back into the filter sooner.
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