18x20x4 Filters

Showing 1 -  2 of 2 Products
18x20x4 AIRx DUST Air Filter - MERV 8
$23.61 / Filter
$29.51 Save 20%!
6 Pack Selected
$141.64
Ships Free!
18x20x4 AIRx ALLERGY Air Filter - MERV 11
$25.21 / Filter
$31.51 Save 20%!
6 Pack Selected
$151.25
Ships Free!
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What Our Customers Have to Say

John g. 1 day ago
5
Works like it should thanks.
Ruth S. 2 days ago
5
I am a shopper for quality and price. These cover both. I will continue to purchase my filters from you.
Mary C. 2 days ago
5
It's not time for a filter change so haven't actually used the product yet. However, this reusable/washable metal-framed filter meets my expectations, looks sturdy/well made and an affordable price. I am pleased.
kb 2 days ago
5
Excellent filter for my AC/Heating!!!