20 X 20 X 4" Commercial Filters

Showing 1 -  4 of 4 Products
20x20x4 AIRx DUST Air Filter - MERV 8, 6-Pack
$24.49 / Filter
$30.61 Save 20%!
6 Pack Selected
$146.94
Ships Free!
20x20x4 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
$26.49 / Filter
$33.11 Save 20%!
6 Pack Selected
$158.94
Ships Free!
20x20x4 AIRx HEALTH Air Filter - MERV 13, 6-Pack
$30.49 / Filter
$38.11 Save 20%!
6 Pack Selected
$182.94
Ships Free!
20x20x4 AIRx ODOR Air Filter - Carbon, 6-Pack
$30.09 / Filter
$37.62 Save 20%!
6 Pack Selected
$180.56
Ships Free!
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What Our Customers Have to Say

Joyce S. 1 day ago
5
Excellent value and product. I will be ordering from Discount Filters for my furnace filters from now on. I wish I would have discovered you sooner. I told my family members about you. They were excited to hear how much they could save also. Thanks
Michael S. 1 day ago
5
Good quality product, reasonable price, quick delivery - what more could you ask for?
KATHY J. 2 days ago
5
I am glad I found this company to buy my filters in a big quantity to have them on hand.
David N. 3 days ago
5
Awesome service and thank you