Merv 4 Air Filters
Filterbuy 20x20x1 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$23.42
$39.99
Save $16.57Available at 4 stores
Filterbuy 16x25x5 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$97.73
$131.99
Save $34.26Available at 4 stores
Filterbuy MERV 8 Pleated HVAC Furnace Air Filters, 18x24x4, Set of 4
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$93.03
$98.16
Save $5.13Available at 3 stores
Filterbuy 20x25x5 MERV 8 Pleated HVAC Furnace Air Filters, 4-Pack
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$84.71
$128.72
Save $44.01Available at 3 stores
14x20x1 Pleated MERV 7 Air Filters 4 Pack
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$38.99
$43.32
Save $4.33Available at 2 stores
Filterbuy 16x30x2 MERV 8 Pleated HVAC Air Filters 4-Pack
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$71.19
$76.16
Save $4.97Available at 2 stores
Filterbuy 22x24x2 MERV 8 Pleated HVAC Air Filters 4-Pack
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$69.15
$72.60
Save $3.45Available at 2 stores
14x24x1 Pleated MERV 10 Air Filters 4 Pack
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$42.00
$57.21
Save $15.21Available at 2 stores
BNX 16x25x1 MERV 13 Electrostatic Furnace Air Filters 4-Pack
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$35.19
$59.99
Save $24.80Available at 4 stores
Filterbuy 16x25x4 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$60.26
$73.00
Save $12.74Available at 2 stores
Filterbuy 16x20x1 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$25.00
$31.96
Save $6.96Available at 2 stores
Filterbuy 16x25x1 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$25.80
$43.99
Save $18.19Available at 3 stores
Filterbuy 14x20x1 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$28.62
$44.99
Save $16.37Available at 5 stores
Accumulair Platinum 16x25x1 MERV 11 Electrostatic Air Filters 4-Pack
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$26.16
$51.09
Save $24.93Available at 3 stores
Filterbuy 20x25x5 MERV 13 Pleated HVAC Furnace Air Filters 4-Pack
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$118.83
$129.96
Save $11.13Available at 2 stores
Filter King 20x35x2 MERV 13 Pleated Furnace Air Filters, 4-Pack
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$119.00
Available at 2 stores
Clean Comfort 16" x 25" x 4.5" MERV 11 Air Filter 2-Pack
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$39.00
$65.23
Save $26.23Available at 4 stores
Filter King 21.5x23.5x1 MERV 8 Electrostatic Air Filter 4-Pack
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$49.99
Available at 3 stores
Filter King 17.5x23.5x1 Electrostatic MERV 8 Air Filter 4-Pack
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$43.99
$59.48
Save $15.49Available at 2 stores
Accumulair Gold Electrostatic Furnace Air Filter 4-Pack
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$19.99
$36.79
Save $16.80Available at 3 stores
Filtrete 12x12x1 Allergen Defense MPR 1000 Furnace Filters, Pack of 4
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$30.65
$93.16
Save $62.51Available at 3 stores
Accumulair Gold 14x14x1 MERV 8 Electrostatic Air Filter 4-Pack
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$27.52
$50.09
Save $22.57Available at 4 stores
Aprilaire 410 MERV 11 Air Filter Pack of 4
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$190.99
$219.99
Save $29.00Available at 3 stores
True Blue 20x25x1 MERV 11 Allergen Air Filter 4-Pack
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$31.96
$71.73
Save $39.77Available at 3 stores
Honeywell 16 x 25 x 4 MERV 11 Furnace Air Filter
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$34.12
$214.95
Save $180.83Available at 15 stores
Arm & Hammer 18x18x1 Maximum Odor Reduction Furnace Air Filter, 4-Pack
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$46.87
$112.19
Save $65.32Available at 5 stores
Filtrete 20x25x1 Electrostatic Allergen Defense Furnace Filter, 4-Pack
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$11.99
$72.99
Save $61.00Available at 5 stores
16x20x1 Blue Fiberglass Disposable Furnace Filter Pack of 12
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$37.08
$55.80
Save $18.72Available at 3 stores
Aerostar MERV 13 19 7/8 x 21 1/2 x 1 Pleated Air Filter, 6 Pack
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$49.99
$91.46
Save $41.47Available at 2 stores
Aerostar MERV 13 Collapsible Replacement Filter for Aprilaire 213, 2-Pack
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$57.74
$150.68
Save $92.94Available at 2 stores
Filterbuy MERV 11 Pleated HVAC Furnace Air Filter, 10x17x2
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$28.44
Available at 2 stores
12x12x1 MERV 11 Electrostatically Charged Furnace Filter
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$17.81
$113.77
Save $95.96Available at 4 stores
AirDoctor MERV 14 20x25x1 HVAC Pleated Air Filter
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$53.96
$59.95
Save $5.99Available at 2 stores
AprilAire MERV 11 Clean Air Furnace Filter Single Pack
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$56.99
$190.99
Save $134.00Available at 6 stores
Trion MERV 8 20x25x5 Air Purifier Filter Pack
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$31.33
$105.97
Save $74.64Available at 7 stores
21x26x5 MERV 8 Pleated Furnace Filters (2 Pack)
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$62.60
$71.18
Save $8.58Available at 3 stores
16x24x1 MERV 11 Electrostatic Air Filter Pack
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$19.37
$118.05
Save $98.68Available at 4 stores
Ultimate MERV 13 Frameless Synthetic Air Filter 16x25
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$113.15
$146.61
Save $33.46Available at 4 stores
Aprilaire MERV 13 High-Efficiency Air Purifier Replacement Filter
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$58.90
$74.99
Save $16.09Available at 5 stores
Aprilaire 416 MERV 16 Frameless Synthetic Air Filter
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$95.23
$146.61
Save $51.38Available at 5 stores
Filterbuy 14x18x1 MERV 8 Electrostatic Pleated Furnace Air Filters
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$35.96
$43.12
Save $7.16Available at 3 stores
Aerostar 16x25x1 White MERV 8 Pleated Air Filter, 6 Pack
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$35.54
$56.99
Save $21.45Available at 4 stores
Honeywell White High Efficiency MERV 13 Air Filter Replacement
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$54.48
$169.99
Save $115.51Available at 13 stores
Filtrete 16x25x4 MERV 12 Ultra Allergen Reduction Air Filter
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$11.99
$122.53
Save $110.54Available at 14 stores
BestAir 16x25x4 MERV 13 Furnace Filter for Honeywell
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$29.99
$127.05
Save $97.06Available at 10 stores
Filtrete 20x24x1 Allergen Defense MERV 11 Air Filter
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$13.44
$41.81
Save $28.37Available at 5 stores
Filterbuy 29x30x2 MERV 8 Pleated HVAC Air Filters (2-Pack)
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$40.77
$44.84
Save $4.07Available at 3 stores
Accumulair Diamond 12x12x1 MERV 13 Furnace Air Filter, 6-Pack
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$20.50
$141.35
Save $120.85Available at 5 stores
K&N 16x25x1 Washable MERV 11 Synthetic Air Filter
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$39.99
$83.05
Save $43.06Available at 8 stores