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.
Showing 1 -  7 of 7 Products
1

What Our Customers Have to Say

Barbara Baay 1 day ago
5
Price was great since I bought a dozen in one purchase . Thst along with the new customer discount brought the price down to sbout $7 each.
James 1 day ago
5
I think these filters are as good as Aprilaire
Roger Mccauley 1 day ago
5
Great filters Shopping is easy - get any size you need in one place. Worth the price when thinking about traveling around to all the hardware and lumber stores to find out they dont cary 2inch fiters.
Jeffery Clark 1 day ago
5
Exactly the right fit good quality and fast shipping.