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
9.9
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
9.8
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
9.7
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
9.5
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
9.3
Other
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
9.0
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
8.7
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
8.4
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
8.2
10
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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