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Best Air filter for home furnace Deals in the United States

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Deals are available from 7 stores and 2 brands. An additional discount is available for 2 items. Last updated on September 23, 2025.
3M Filtrete 20" x 25" x 2" MPR 1000 Allergen Defense Air Filter 70009113286
3M Filtrete 20" x 25" x 2" MPR 1000 Allergen Defense Air Filter 70009113286
3M Filtrete 20" x 25" x 2" MPR 1000 Allergen Defense Air Filter 70009113286
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3M Filtrete 14" x 20" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145650
3M Filtrete 14" x 20" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145650
3M Filtrete 14" x 20" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145650
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3M Filtrete 14" x 14" x 1" MPR 1000 Allergen Defense Air Filter 70009106272
3M Filtrete 14" x 14" x 1" MPR 1000 Allergen Defense Air Filter 70009106272
3M Filtrete 14" x 14" x 1" MPR 1000 Allergen Defense Air Filter 70009106272
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BESTAIR CB2025-13C 20 in x 25 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR CB2025-13C 20 in x 25 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR CB2025-13C 20 in x 25 in x 5 in Synthetic Furnace Air Cleaner Filter
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BESTAIR 5-1620-13-2 16 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR 5-1620-13-2 16 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR 5-1620-13-2 16 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
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BESTAIR 5-2020-8-2 20 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR 5-2020-8-2 20 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
BESTAIR 5-2020-8-2 20 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter
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Filtrete 14 x 20 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 14 x 20 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 14 x 20 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
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Colorfil MERV 8 Color Changing Air Filter, 2 count, 20 x 20 x 1-in
Colorfil MERV 8 Color Changing Air Filter, 2 count, 20 x 20 x 1-in
Colorfil MERV 8 Color Changing Air Filter, 2 count, 20 x 20 x 1-in
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Replacement Filter Cartridge for 9760596 – Whole House Deodorization, Germicidal, Formaldehyde Removal, Sterilization, Quiet Air Cleaning Filter
43% Off
Replacement Filter Cartridge for 9760596 – Whole House Deodorization, Germicidal, Formaldehyde Removal, Sterilization, Quiet Air Cleaning Filter
Replacement Filter Cartridge for 9760596 – Whole House Deodorization, Germicidal, Formaldehyde Removal, Sterilization, Quiet Air Cleaning Filter
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$50.6
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Filtrete 20 x 25 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 20 x 25 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 20 x 25 x 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
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Filtrete 16 x 24 x 1 Air Filter, 6 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 16 x 24 x 1 Air Filter, 6 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
Filtrete 16 x 24 x 1 Air Filter, 6 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 inch Electrostatic Air Filters
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57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet 57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet
50% Off
57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet 57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet
57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet 57x47cm Universal Activated Carbon Filter Cotton Cut to Size Range Hood & Air Purifier Replacement Sheet
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$35.94
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Filtrete High Performance Air Filter, 20 x 30, 4/Carton (MMMUT224CA) Case of 4 Filtrete™ Air Purifier Filters
Filtrete High Performance Air Filter, 20 x 30, 4/Carton (MMMUT224CA) Case of 4 Filtrete™ Air Purifier Filters
Filtrete High Performance Air Filter, 20 x 30, 4/Carton (MMMUT224CA) Case of 4 Filtrete™ Air Purifier Filters
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Breathe Naturally Replacement Carbon Prefilters for Hamilton Beach True Air 04383 Series Air Purifiers, 2 count
Breathe Naturally Replacement Carbon Prefilters for Hamilton Beach True Air 04383 Series Air Purifiers, 2 count
Breathe Naturally Replacement Carbon Prefilters for Hamilton Beach True Air 04383 Series Air Purifiers, 2 count
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Filtrete High Performance Air Filter, 16 x 25, 4/Carton (MMMUA014CA) Case of 4 Filtrete™ Air Purifier Filters
Filtrete High Performance Air Filter, 16 x 25, 4/Carton (MMMUA014CA) Case of 4 Filtrete™ Air Purifier Filters
Filtrete High Performance Air Filter, 16 x 25, 4/Carton (MMMUA014CA) Case of 4 Filtrete™ Air Purifier Filters
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