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Filter Cartridges and DE Filter Grids

Easily find the replacement filter cartridge you need for your pool or spa cartridge filter. Search by the filter manufacturer or by your filter cartridge length and width. You can also search for your replacement filter cartridge by Aladdin, Filbur, Pleatco or Unicel product numbers, or by our own Pool Parts Online number. So many ways to find a new filter cartridge that is correctly sized for your filter. For Genuine OEM replacement cartridges by Hayward, Pentair, Waterway and Zodiac, please find your filter Make and Model in our Filter Parts pages.

The rule of thumb is to replace filter cartridges for swimming pools after 12-15 cleanings or every 36 months, whichever comes first. Spa filters are replaced on a more frequent basis, due to the comparatively larger work load they must perform. Replace spa cartridges every 12-15 cleanings or every 12-18 months of service, whichever comes first.




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