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338
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 $2.99. Ships nationwide, free over $75 on most items, or find it at your local store.
Trusted brands only
Ships nationwide
Pro accounts welcome
Support your local hardware store
2
per case
Filtrete
Filtrete 16 in. W X 20 in. H X 4 in. Polypropylene 1550 MPR Pleated Air Filter
MPN: NDP00-4IN-2
$63.98
4
per case
Filtrete
Filtrete 16 in. W X 25 in. H X 2 in. Polypropylene 1000 MPR Pleated Air Filter
MPN: NADP01-2IN-4
$79.96
4
per case
Filtrete
Filtrete 16 in. W X 24 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 725-4
$51.96
4
per case
Filtrete
Filtrete 14 in. W X 24 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 723-4
$51.96
4
per case
Filtrete
Filtrete 14 in. W X 30 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 724-4
$51.96
4
per case
Filtrete
Filtrete 20 in. W X 30 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 722-4
$51.96
4
per case
Filtrete
Filtrete 12 in. W X 12 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 710-4
$51.96
4
per case
USA
Filtrete
Filtrete 3M 12 in. W X 24 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 720-4
$51.96
4
per case
Filtrete
Filtrete 18 in. W X 24 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 721-4
$51.96
4
per case
USA
Filtrete
Filtrete 14 in. W X 14 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 711-4
$51.96
4
per case
USA
Filtrete
Filtrete 20 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 703-4
$51.96
4
per case
USA
Filtrete
Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 701-4
$51.96
4
per case
USA
Filtrete
Filtrete 14 in. W X 20 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 705-4
$51.96
4
per case
Filtrete
Filtrete 14 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 704-4
$51.96
4
per case
USA
Filtrete
Filtrete 20 in. W X 20 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 702-4
$51.96
4
per case
USA
Filtrete
Filtrete 16 in. W X 20 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter
MPN: 700-4
$51.96
USA
In-Store
Pamlico Air
Pamlico Air 22 in. W X 22 in. H X 1 in. Fiberglass 4 MERV Air Filter
MPN: 11204-012222
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
12
per case
USA
Pamlico Air
Pamlico Air 22 in. W X 22 in. H X 1 in. Fiberglass 4 MERV Air Filter
MPN: 11104-012222
$71.88
12
per case
USA
Pamlico Air
Pamlico Air 18 in. W X 20 in. H X 1 in. Pleated 8 MERV Pleated Air Filter
MPN: 21208-011820
$95.88
4
per case
Filtrete
Filtrete 14 in. W X 24 in. H X 1 in. 1500 MPR Pleated Air Filter
MPN: UP23-4
$87.96
12
per case
USA
Pamlico Air
Pamlico Air 16 in. W X 20 in. H X 2 in. Fiberglass 2 MERV Air Filter
MPN: 11104-021620
$67.08
4
per case
Filtrete
Filtrete 12 in. W X 24 in. H X 1 in. 1900 MPR Pleated Air Filter
MPN: UT20-4
$99.96
4
per case
Filtrete
Filtrete 16 in. W X 24 in. H X 1 in. 1000 MPR Pleated Allergen Air Filter
MPN: AL25-4
$59.96
4
per case
Filtrete
Filtrete 14 in. W X 14 in. H X 1 in. 1500 MPR Pleated Air Filter
MPN: UP11-4
$87.96
Shop Local
Find these products at your local store.
Independent hardware retailers often carry the same products — sometimes at competitive prices. Every order helps keep them on the corner.
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For Pros & Businesses
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- Gov & compliance ready
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