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

Donna M. 1 day ago
5
very good filter
Clayton R. 1 day ago
5
they do the job
Clayton R. 1 day ago
5
they do the job
susan m. 1 day ago
5
I have had this product before and it seems to be doing what it's supposed to do. It is always clean when I put it in and dirty when I remove it!