20 X 20 X 5" Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 20" x 5" filter can be different actual sizes depending on the brand of your air cleaner.
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What Our Customers Have to Say

william o. 1 day ago
5
Easy to install last me for 1 year
Charles W. 1 day ago
5
I have been ordering from Discount Filters for years. Always easy, always fast delivery, always satisfied.
Larry J. 1 day ago
5
I have used this filter for years. I believe it helps protect our heallth!
Raymond R. 2 days ago
5
These guys have a great product and awesome customer service. Amanda really knew how to solve my problem with super good service . I will buy my filters from this company for as long as I own my house!