Finding the correct DE grids for your filter can be done using the filter's information tag, measuring your old grids, or using the various part numbers on the filter components to identify your model. Read how to do this below.
Step 1
Filter Model and Size - Read your filter’s information tag to find the model name and model number.
All filters are labeled with an information tag on the tank. This label contains the manufacture name, model series, and the model number of your particular unit. Most tank’s information tag will list the entire line for that model, with your specific unit’s size being marked or highlighted in some way.
The most current DE filter model numbers include the square footage of the grids
For example:
- The Hayward ProGrid 48 Sq Ft has a model number DE4820
- The Pentair FNS Plus, 60 Sq Ft, uses a model number variance of FNSP-60.
But if you want to make extra sure you choose the right grids, you can measure them.
Step 2
Measure the grids - Measure the grid's length(not including the port pipe at the top), and it's width (straight across) to identify the square footage of your filter.
The pool industry’s standard curved grids come in 5 different sizes 24, 36,48,60, and 72 square feet; their respective lengths are 12, 18, 24, 30, and 36 inches.
Most DE filters use a grid pack of 8, which includes seven full grids (11.5 inches) and one partial (9.5 inches.) If you are only replacing a few of these grids measure the width to be sure which style you need.
For older models like the Jacuzzi Earthworks and Avalanche, which use non-curved grids, you will need to measure all grids, as the various model sizes used a combination of two or three grid sizes per model.
Step 3
If model info is unreadable, use internal part numbers and grid size to identify. A filter’s information tag exposed to the elements year-round will fade and eventually become illegible. If you are trying to identify a filter with an unreadable tag, use the part number of a top manifold, standpipe, air relief assembly, or other parts to help narrow the field of possibilities. With that part number, you should be able to identify at least the manufacturer, and with that, you can use our filter finder guide parts page to find your model.
Step 4
Common Hayward DE Grid AssembliesHayward DE3620 Filter Grid Assembly
Hayward DE4820 Filter Grid Assembly
Hayward DE6020 Filter Grid Assembly
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