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10 best18x 24 X 1 Air Filtersof November 2024

112M consumers helped this year.

23% off

1

Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

FilterBuy

9.9

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2

Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

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9.8

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3

Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

FilterBuy

9.7

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4

Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

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9.5

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5

Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

FilterBuy

9.3

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Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

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Trophy Air Electrostatic Air Filter Replacement | HVAC Conditioner Purifier | Purify Allergens for Cleaner, Healthier Home Environment | Replacement AC Furnace Air Filter | Made in The USA (18x24x1)

Trophy Air Electrostatic Air Filter Replacement | HVAC Conditioner Purifier | Purify Allergens for Cleaner, Healthier Home Environment | Replacement AC Furnace Air Filter | Made in The USA (18x24x1)

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Venti Tech 18x24x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter

Venti Tech 18x24x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter

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Washable Electrostatic Furnace Air Filter, MERV 8, (18" x 24" x 1") Aluminum Reusable Filter for Furnace, Central AC, and HVAC System

Washable Electrostatic Furnace Air Filter, MERV 8, (18" x 24" x 1") Aluminum Reusable Filter for Furnace, Central AC, and HVAC System

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6

Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

FilterBuy

9.0

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7

Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

FilterBuy

8.7

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8

Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)
Filterbuy 18x24x1 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches)

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8.4

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9

BNX TruFilter 18x24x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10
BNX TruFilter 18x24x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Pollen, Mold, Bacteria, Smoke, Allergen, MPR 1900 FPR 10

BNX

8.2

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10

Simply by MervFilters, 18x24x1 (17.75 x 23.75) Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack
Simply by MervFilters, 18x24x1 (17.75 x 23.75) Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6 Pack

Simply

7.9

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