Shop Furnace Filter Comparisons

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$149.84
24.5X47.5X1 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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18X24x2 Air Filters (2-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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18X24x2 Air Filters (2-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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12X12x4 Air Filters (4-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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Trane FLRQB5AH23M11 22.7X20.7X4.70 MERV 11 Quikbox Furnace & AC Air Filter - 2-Pack
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22X24x1 Air Filters (4-Pack) MERV 8 Carbon - Odor Eliminator | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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22X24x1 Air Filters (4-Pack) MERV 8 Carbon - Odor Eliminator | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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Filtrete 16X25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters For Home, Pleated
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$45.06
Filtrete 16X25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters For Home, Pleated
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$82.96
Trane FLRQB5DN17M11 MERV 11 Quikbox Filter 16.7"X20"X4.70" 2-Pack
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Filterbuy 15X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
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Filterbuy 14X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
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Filterbuy 24X25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$66.98
Filterbuy 24X25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$45.96
20X22x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 21.50 X 0.75 Inches)
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$45.96
20X22x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 21.50 X 0.75 Inches)
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$44.98
Filterbuy 16X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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Filterbuy 16X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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16X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
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$21.99
16X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
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Standard Furnace Filter Sizes (With Drawings)
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Shop Furnace Filter Comparisons

Sponsored
About our ads
$149.84
24.5X47.5X1 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$149.84
24.5X47.5X1 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$40.12
18X24x2 Air Filters (2-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$40.12
18X24x2 Air Filters (2-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$111.68
12X12x4 Air Filters (4-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$111.68
12X12x4 Air Filters (4-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$67.96
$82.96
FLRQB5FR21M11 Filters Fast Replacement For Trane FLRQB5FR21M11 20.2X26x4.7 MERV 11 Quikbox Furnace & AC Air Filter - 2-Pack
FiltersFast.com
18% off
$67.96
$82.96
FLRQB5FR21M11 Filters Fast Replacement For Trane FLRQB5FR21M11 20.2X26x4.7 MERV 11 Quikbox Furnace & AC Air Filter - 2-Pack
FiltersFast.com
$70.16
$89.96
Trane FLRQB5AH23M11 22.7X20.7X4.70 MERV 11 Quikbox Furnace & AC Air Filter - 2-Pack
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$70.16
$89.96
Trane FLRQB5AH23M11 22.7X20.7X4.70 MERV 11 Quikbox Furnace & AC Air Filter - 2-Pack
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$73.52
22X24x1 Air Filters (4-Pack) MERV 8 Carbon - Odor Eliminator | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$73.52
22X24x1 Air Filters (4-Pack) MERV 8 Carbon - Odor Eliminator | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$45.06
Filtrete 16X25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters For Home, Pleated
Amazon.com
Free shipping
$45.06
Filtrete 16X25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters For Home, Pleated
Amazon.com
$58.07
$82.96
Trane FLRQB5DN17M11 MERV 11 Quikbox Filter 16.7"X20"X4.70" 2-Pack
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$58.07
$82.96
Trane FLRQB5DN17M11 MERV 11 Quikbox Filter 16.7"X20"X4.70" 2-Pack
FiltersFast.com
$138.96
Filterbuy 15X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
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Free shipping
$138.96
Filterbuy 15X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
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$45.98
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Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$39.96
Filterbuy 14X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
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$66.98
Filterbuy 24X25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$66.98
Filterbuy 24X25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$45.96
20X22x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 21.50 X 0.75 Inches)
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$45.96
20X22x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 21.50 X 0.75 Inches)
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$44.98
Filterbuy 16X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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Free shipping
$44.98
Filterbuy 16X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
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$21.99
16X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
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$21.99
16X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
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