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

Linda 1 day ago
5
TY for carrying these filters. I have found them no where else. They have to be changed out at least once a year. They are darned expensive, but they are necessary & work perfectly.
Walter W. 2 days ago
5
Great product at a great price!
Mike M. 3 days ago
5
Seems to work fine, fits as listed, and is reasonably priced
Barry H. 3 days ago
5
High quality product and it was delivered quickly very efficiently.