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

ron baird 1 day ago
5
I reckon it's ok
harriet marie james 1 day ago
5
Perfect filter for me since I have a lung problem. Also have two indoor small dogs. I change my filters each month.
Lance Mead 1 day ago
5
Quality filter and arrived within a couple of days once ordered. Lowest price per filter I could find online when I ordered here. I'd recommend to others.
TK in PA 1 day ago
5
Great service and quality product