16x20x4 Standard Filters

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What Our Customers Have to Say

David L. 1 day ago
5
This filter works extremely well! As a smoker and having 2 cats, the air quality in the house is MUCH improved with these filters! Worth the $$
Robert J. 1 day ago
5
A little undaunting at first, very easy once you have done one. Seems to be well made, Will Give update in a few months.
Mary W. 1 day ago
5
Great product, great quality.
Gerald M. 1 day ago
5
They work.