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Best Airfilterbuy furnace air filters Deals in the United States

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Deals are available from 2 stores and 1 brands. An additional discount is available for 0 items. Last updated on September 24, 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 25" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120661
3M Filtrete 14" x 25" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120661
3M Filtrete 14" x 25" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120661
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3M Filtrete 20" x 25" x 1" MPR 1000 Allergen Defense Air Filter 70009104863
3M Filtrete 20" x 25" x 1" MPR 1000 Allergen Defense Air Filter 70009104863
3M Filtrete 20" x 25" x 1" MPR 1000 Allergen Defense Air Filter 70009104863
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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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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 20" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120679
3M Filtrete 14" x 20" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120679
3M Filtrete 14" x 20" x 1" MPR 1900 Premium High-Performance Allergen, Bacteria, and Virus Air Filter 70009120679
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3M Filtrete 16" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145601
3M Filtrete 16" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145601
3M Filtrete 16" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145601
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3M Filtrete 20" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145635
3M Filtrete 20" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145635
3M Filtrete 20" x 25" x 1" MPR 700 Electrostatic Dust, Pollen, and Pet Dander Reduction Air Filter 70009145635
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3M Filtrete 16" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961190
3M Filtrete 16" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961190
3M Filtrete 16" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961190
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3M Filtrete 20" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961208
3M Filtrete 20" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961208
3M Filtrete 20" x 25" x 4" MPR 1000 Allergen Defense Deep Pleat Air Filter 70006961208
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3M Filtrete 16" x 20" x 1" MPR 300 Basic Dust and Lint Air Filter 70006998010
3M Filtrete 16" x 20" x 1" MPR 300 Basic Dust and Lint Air Filter 70006998010
3M Filtrete 16" x 20" x 1" MPR 300 Basic Dust and Lint Air Filter 70006998010
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3M Filtrete 20" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 70009112825
3M Filtrete 20" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 70009112825
3M Filtrete 20" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 70009112825
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3M Filtrete 16" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 7100203142
3M Filtrete 16" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 7100203142
3M Filtrete 16" x 20" x 1" MPR 1500 High-Performance Allergen, Bacteria, and Virus Air Filter 7100203142
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