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products available
Furnace Filters
Shop 338 furnace filters at National Hardware Group — from trusted brands like 3M, Aaf Flanders, Aprilaire and more. Every item is an authorized, warranty-backed purchase, with prices starting around $3.59. Ships nationwide, free over $75 on most items, or find it at your local store.
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Ships nationwide
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Support your local hardware store
12
per case
USA
Naturalaire
NaturalAire 14 in. W X 20 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter
MPN: 84858.011420
$91.08
12
per case
USA
Flanders
Flanders EZ Flow II 14 in. W X 20 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011420
$43.08
12
per case
USA
Flanders
Flanders EZ Flow II 16 in. W X 20 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011620
$43.08
12
per case
USA
Flanders
Flanders EZ Flow II 20 in. W X 25 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.012025
$47.88
12
per case
USA
Flanders
Flanders EZ Flow II 12 in. W X 24 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011224
$43.08
12
per case
USA
Aaf Flanders
AAF Flanders PREpleat LPD SC M10 16 in. W X 25 in. H X 1 in. Synthetic 10 MERV Pleated Air Filter 1
MPN: 80055.011625
$83.88
12
per case
USA
Aaf Flanders
AAF Flanders PREpleat LPD SC M10 16 in. W X 20 in. H X 1 in. Synthetic 10 MERV Pleated Air Filter 1
MPN: 80055.011620
$71.88
12
per case
USA
Aaf Flanders
AAF Flanders PREpleat LPD SC M10 14 in. W X 25 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1
MPN: 80055.021425
$103.08
Filtrete
Filtrete 20 in. W X 25 in. H X 4 in. Pleated 1000 MPR Pleated Allergen Air Filter 2 pk
MPN: NADP03-2PK-1E
$51.99
USA
Bestair
BestAir 16 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter
MPN: CB1625-13R
$49.99
USA
Bestair
BestAir 20 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter
MPN: CB2025-13R
$49.99
12
per case
USA
Aaf Flanders
AAF Flanders PREpleat LPD SC M10 14 in. W X 20 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1
MPN: 80055.021420
$131.88
12
per case
USA
Flanders
Flanders EZ Flow II 20 in. W X 30 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.012030
$59.88
12
per case
USA
Flanders
Flanders EZ Flow II 25 in. W X 25 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.012525
$55.08
12
per case
USA
Naturalaire
NaturalAire 20 in. W X 22 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter
MPN: 84858.012022
$155.88
12
per case
USA
Flanders
Flanders EZ Flow II 18 in. W X 25 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011825
$47.88
12
per case
USA
Flanders
Flanders EZ Flow II 18 in. W X 24 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011824
$47.88
12
per case
USA
Flanders
Flanders EZ Flow II 24 in. W X 24 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.012424
$47.88
2
per case
USA
Flanders
Flanders 20 in. W X 20 in. H X 5 in. Synthetic 8 MERV Pleated Air Filter
MPN: 82655.052020
$85.98
12
per case
USA
Flanders
Flanders EZ Flow II 16 in. W X 16 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011616
$43.08
3
per case
USA
Flanders
Flanders 16 in. W X 25 in. H X 3 in. Synthetic 8 MERV Pleated Air Filter
MPN: 82655.031625
$104.97
4
per case
USA
Filtrete
Filtrete 10 in. W X 20 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter
MPN: 2007DC-4
$87.96
4
per case
Filtrete
Filtrete 14 in. W X 24 in. H X 1 in. Polypropylene 1900 MPR Pleated Allergen Air Filter
MPN: UA23DC-4
$99.96
12
per case
USA
Flanders
Flanders EZ Flow II 10 in. W X 30 in. H X 1 in. Fiberglass 1 MERV Air Filter
MPN: 10055.011030
$43.08
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