20 X 20 X 4" 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 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

william o. 1 day ago
5
Easy to install last me for 1 year
Kyle K. 1 day ago
5
Exact fit
Sammy 1 day ago
5
Pleased with the product,price and delivery time.
Ron J. 1 day ago
5
Great service and excellent filter.