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10 bestFilterbuy Furnace Air Filtersof November 2024

112M consumers helped this year.

1

Filterbuy 20x20x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
Filterbuy 20x20x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)

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10.0

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2

Filterbuy 20x30x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.63 x 29.63 x 0.75 Inches)
Filterbuy 20x30x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.63 x 29.63 x 0.75 Inches)

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10.0

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3

Filterbuy 14x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.38 x 23.38 x 0.75 Inches)
Filterbuy 14x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.38 x 23.38 x 0.75 Inches)

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9.8

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4

Filterbuy 12x12x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.75 x 11.75 x 0.75 Inches)
Filterbuy 12x12x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.75 x 11.75 x 0.75 Inches)

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9.5

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5

Filterbuy 20x30x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 29.50 x 0.75 Inches)
Filterbuy 20x30x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 29.50 x 0.75 Inches)

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9.3

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FilterBuy 20x25x5 AirKontrol Replacement AC Furnace Air Filters - AFB Gold Silver 8 - Pack of 2 Filters. Designed to Replace Dust Patroler DP2000.

FilterBuy 20x25x5 AirKontrol Replacement AC Furnace Air Filters - AFB Gold Silver 8 - Pack of 2 Filters. Designed to Replace Dust Patroler DP2000.

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Filterbuy 16x25x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 24.50 x 0.75 Inches)

Filterbuy 16x25x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 24.50 x 0.75 Inches)

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FilterBuy Allergen Odor Eliminator 18x18x1 MERV 8 Pleated AC Furnace Air Filter with Activated Carbon - Pack of 2-18x18x1

FilterBuy Allergen Odor Eliminator 18x18x1 MERV 8 Pleated AC Furnace Air Filter with Activated Carbon - Pack of 2-18x18x1

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Filterbuy 10x14x1 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 13.50 x 0.75 Inches)

Filterbuy 10x14x1 Air Filter MERV 11 Allergen Defense (3-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 13.50 x 0.75 Inches)

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Filterbuy 10x10x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 9.50 x 0.75 Inches)
Filterbuy 10x10x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 x 9.50 x 0.75 Inches)

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9.0

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7

Filterbuy 30x36x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 29.81 x 35.81 x 0.75 Inches)
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8

Filterbuy 20x21.5x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.88 x 21.50 x 0.75 Inches)
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9

Filterbuy 25x29x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 24.50 x 28.75 x 3.63 Inches)
Filterbuy 25x29x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 24.50 x 28.75 x 3.63 Inches)

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8.1

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10

Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches)
Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches)

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7.9

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