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

Bob B. 1 day ago
5
Delivered as promised. Excellent
ROY V. 1 day ago
5
Works great!!
Debra M. 1 day ago
5
just installed one of the two filters yesterday. Fit perfectly. thanks for the good product.
BONNY M. 1 day ago
5
I have used thisproduct for over a year. it is working well and doing an excellent filtering job. I was happy to discover Discount Filters. It made it easy toorde3r a filter esprecially since I can't find them in a local stre.