20x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.
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What Our Customers Have to Say

kb 1 day ago
5
Excellent filter for my AC/Heating!!!
Marti 1 day ago
5
We have used your furnace filters for several years, they always fit properly, excellent quality and good value.
Juanita M. 1 day ago
5
Great service & product
customer 3 days ago
5
Fabulous filter leaves my home fresh and clean. No dust or pollen and less allergies.