Furnace Filters Replacement
AIRx Filters Replacement HEPA Filter for Holmes AER1, 2-Pack
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$17.99
$19.99
Save $2.00Available at 2 stores
White Microfiber Replacement Cartridge for FUL-FLO FB-4 Furnace
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$2.04
$14.05
Save $12.01Available at 6 stores
16x24 Fiberglass Furnace Air Filter Pack of 12
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$3.14
$71.38
Save $68.24Available at 6 stores
Filtrete 20x25x1 Electrostatic Allergen Defense Furnace Filter, 4-Pack
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$11.99
$72.99
Save $61.00Available at 5 stores
High Efficiency MERV 13 Air Purifier Filter Upgrade Kit
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$71.99
$164.16
Save $92.17Available at 7 stores
Filtrete 20x25x4 MPR 1000 Allergen Defense Air Filter
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$24.88
$77.99
Save $53.11Available at 9 stores
Simply Filters 16x25x1 MERV 8 AC Furnace Air Filter 6 Pack
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$31.83
$84.99
Save $53.16Available 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
Dust Control 24-Pack Vent Filters for Furnace and AC
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$12.99
$17.99
Save $5.00Available at 2 stores
Filterbuy 14x18x1 MERV 8 Electrostatic Pleated Furnace Air Filters
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$35.96
$43.12
Save $7.16Available at 3 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
14x24x1 Pure Carbon Odor Reduction Furnace Air Filters 6 Pack
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$74.47
$75.99
Save $1.52Available at 2 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 16x28x6 MERV 8 Pleated HVAC Furnace Air Filters 2-Pack
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$73.73
$75.20
Save $1.47Available at 3 stores
Filter King 20x35x2 MERV 13 Pleated Furnace Air Filters, 4-Pack
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$119.00
Available at 2 stores
Filterbuy 16x20x2 MERV 8 Pleated HVAC Furnace Air Filters
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$44.31
$46.52
Save $2.21Available at 3 stores
Filterbuy 24x36x2 MERV 8 Pleated HVAC Furnace Air Filters 2-Pack
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$59.68
$61.48
Save $1.80Available at 2 stores
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 30x32x2 MERV 8 Pleated HVAC Furnace Air Filters 2-Pack
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$67.82
$71.22
Save $3.40Available at 2 stores
BNX TruFilter 20x20x1 MERV 11 Allergen Defense Furnace Filters 6-Pack
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$39.99
$49.99
Save $10.00Available at 2 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 16x20x1 MERV 8 Pleated HVAC Furnace Air Filters 4-Pack
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$25.00
$31.96
Save $6.96Available 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 22x24x2 MERV 8 Pleated HVAC Furnace Air Filters 2-Pack
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$38.71
$40.64
Save $1.93Available at 2 stores
Filterbuy 16x21x4 MERV 8 Pleated HVAC Furnace Air Filters (2-Pack)
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$52.13
$54.74
Save $2.61Available at 2 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
17.5x27x5 MERV 11 Pleated Furnace Air Filters, 2 Pack
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$71.99
$81.81
Save $9.82Available at 2 stores
Filterbuy 20x20x4 MERV 8 Pleated HVAC Furnace Air Filters
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$44.70
$50.92
Save $6.22Available at 3 stores
Filterbuy 10x16x2 MERV 8 Pleated HVAC Furnace Air Filters (2-Pack)
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$31.80
$33.40
Save $1.60Available at 2 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
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 18x36x2 MERV 8 Electrostatic HVAC Furnace Air Filters (2-Pack)
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$50.24
$52.76
Save $2.52Available at 2 stores
Nordic Pure 14x24x2 MERV 14 Pleated Furnace Air Filters 3 Pack
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$58.79
$86.50
Save $27.71Available 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
Filterbuy 20x25x5 MERV 8 Pleated HVAC Furnace Filters 2-Pack
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$46.55
$84.98
Save $38.43Available at 4 stores
Filterbuy 12x30x2 MERV 8 Electrostatic Pleated Furnace Air Filters (2-Pack)
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$33.16
$34.82
Save $1.66Available at 2 stores
Filtrete Ultra Allergen 1600 MPR 30x14x1 Furnace Filters 4-Pack
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$35.98
$75.99
Save $40.01Available at 3 stores
Nordic Pure 20x24x1 MERV 10 Pleated Carbon Furnace Air Filters, 6 Pack
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$83.83
$85.99
Save $2.16Available at 2 stores
Filterbuy 13x21.5x1 MERV 11 Pleated HVAC Furnace Air Filters 2-Pack
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$33.96
$35.66
Save $1.70Available at 3 stores
Accumulair Diamond 19.5x24.5x1.75 MERV 13 Furnace Air Filters, 6 Pack
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$75.69
$98.99
Save $23.30Available at 4 stores
Flanders 12" x 12" x 1" Glass Furnace Air Filter Pack
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$7.48
$27.49
Save $20.01Available at 2 stores
Aerostar 16x25x1 MERV 13 Pleated Furnace Air Filter 6-Pack
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$28.77
$90.82
Save $62.05Available at 4 stores
Aerostar 20x25x1 MERV 11 Pleated AC Furnace Air Filter, 6 Pack
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$43.91
$61.64
Save $17.73Available at 2 stores
Aerostar 16x16x1 MERV 11 AC and Furnace Air Filter, 6 Pack
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$24.16
$68.15
Save $43.99Available at 2 stores
Dometic Brisk Air II Furnace Filter Pack of 2
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$24.88
$45.01
Save $20.13Available at 4 stores
Castle One-Year HVAC Furnace Filter MERV 6, 16 x 25 x 1
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$29.04
$44.50
Save $15.46Available at 2 stores