21½ x 23½ x 1"

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21.5x23.5x1 AIRx ALLERGY Air Filter, 6-Pack
$17.49 / Filter
$21.86 Save 20%!
6 Pack Selected
$104.94
Ships Free!
21.5x23.5x1 AIRx ALLERGY Air Filter, 12-Pack
$16.49 / Filter
$20.61 Save 20%!
12 Pack Selected
$197.88
Ships Free!
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What Our Customers Have to Say

Laurie C. 1 day ago
5
Great place to purchase filters of all kinds at a discount!
Neena 1 day ago
5
Discount filters offers great service when I need to replace my furnace filters. I replace the filters every 3 months generally ordering six filters from discount filters at a time. That's there's a for my need. They're efficient courteous and reasonable when I contact then
Neena 1 day ago
5
I change the air filters every 3 months and discount filters is my supplier. They shipped their quality products quickly and accurately. This time when I ordered the wrong filter dimensions, the lady I was talking with pointed out that I needed a different size. She saved me from ordering the wrong thing! The filters work great and are much better priced than the equivalent ones available locally.
Anita M. 2 days ago
5
They work great