Shop How to Select Furnace Filters

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16X16x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 15.50 X 1.75 Inches)
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P032358-016-340 - CP ULTRA-WEB POWERCORE (22.37 " L X 7.56" W X 7.00"H)
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21X21.5X5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trane Perfect Fit & American Standard
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28X30x1 Air Filters (12-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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28X30x1 Air Filters (12-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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Captive-Aire 9152 Ez Kleen Mesh Air Filter - Metal - 20" X 20" X 2" - Filters Screens & Driers
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Filter Everything Electrostatic Washable Furnace Filter - 16-3/8 X 21-1/2 X 1 - Reusable HVAC Air Filter With Durable Aluminum Frame
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Aprilaire 413 Replacement Filter For Aprilaire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16X25x4 Air Filter (Pack Of 4)
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Filtrete 16 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN2619546
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Filtrete 16 X 25 X 2 Air Filter, 12 HVAC Filters, Merv 8, Premium Allergen, 3 Month Pleated 2 Inch Electrostatic Air Filters ODFN3494990
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Trane Flrqb5dn17m11 Filter - 5" Qwikbox - Merv11 - 16.7" X 20" - Pack Of 2 - Filters Screens & Driers
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X6672 16X25x5 Air Filter Merv 16 Compatible With Lennox X6672 Healthy Climate Carbon Clean, Part Number Hcf16-16 (1Pack)
Walmart
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X6672 16X25x5 Air Filter Merv 16 Compatible With Lennox X6672 Healthy Climate Carbon Clean, Part Number Hcf16-16 (1Pack)
Walmart
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$147.80
16X25x5ab-FC-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
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16X25x5ab-FC-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
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20X25x5 54-25051-01 Protech MERV 8 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
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20X25x5 54-25051-01 Protech MERV 8 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
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20X25x5 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
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Mobile Home Furnace Foam Door Filter - 16" X 26" X 1/4" - Compatible With Many Miller, Nordyne, Nortek, Intertherm, Broan And Maytag Furnaces (2-Pack)
Walmart
34
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Mobile Home Furnace Foam Door Filter - 16" X 26" X 1/4" - Compatible With Many Miller, Nordyne, Nortek, Intertherm, Broan And Maytag Furnaces (2-Pack)
Walmart
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$28.95
Field Controls 46568500 16" X 25" X 5" MERV 11 - Replacement Media (FCRM11-1625) | Supplyhouse.Com
SupplyHouse.com
55
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Field Controls 46568500 16" X 25" X 5" MERV 11 - Replacement Media (FCRM11-1625) | Supplyhouse.Com
SupplyHouse.com
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$96.57
Honeywell POPUP2200, 20 X 25 X 6 Inches - MERV 11 Replacement Filter For Aprilaire, Space-Gard (2-Pack)
Amazon.com
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Amazon.com
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$143.00
Washable Electrostatic Air Filter 12 X 12 X 1 40-1266B Atlantic
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$143.00
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$67.00
P034519-016-002 - MERV 10 PANEL (23.38" L X 23.38" W X 1.75" D)
Donaldson Torit Filters
$67.00
P034519-016-002 - MERV 10 PANEL (23.38" L X 23.38" W X 1.75" D)
Donaldson Torit Filters
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20X25x4tt-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 2 Pk | Furnace & AC Filter | Pleated"
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20X25x4tt-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 2 Pk | Furnace & AC Filter | Pleated"
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20X21x1 MERV 8 AC & Furnace Filters (6 Pack)
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Filtrete 12 X 30 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters
Office Depot
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$55.69
Filtrete 12 X 30 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters
Office Depot
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$65.56
True Blue Air Filter 16" W X 25" H X 1" D Synthetic 7 MERV Pleated - Pack Of 12 216251-XCP12
DkHardware.com
$65.56
True Blue Air Filter 16" W X 25" H X 1" D Synthetic 7 MERV Pleated - Pack Of 12 216251-XCP12
DkHardware.com
$107.47
16X18x2 MERV 11 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$107.47
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AllFilters.com
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$39.49
Filtrete 20 X 25 X 4 Air Filter, 2 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 12 Month Pleated 4 Inch Electrostatic Air Filters
Office Depot
245
$39.49
Filtrete 20 X 25 X 4 Air Filter, 2 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 12 Month Pleated 4 Inch Electrostatic Air Filters
Office Depot
245
$5.63
Hart & Cooley 274240300 24" X 30" X 1" Fiberglass Throw Away Replacement Filter | Supplyhouse.Com
SupplyHouse.com
8
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Hart & Cooley 274240300 24" X 30" X 1" Fiberglass Throw Away Replacement Filter | Supplyhouse.Com
SupplyHouse.com
8
$434.88
GENERIC Generic 16X20x2 Carbon Pleated Air Filter Merv 6 Box Of 12 HD515866
DkHardware.com
$434.88
GENERIC Generic 16X20x2 Carbon Pleated Air Filter Merv 6 Box Of 12 HD515866
DkHardware.com
$4.94
Hart & Cooley 274180250 18" X 25" X 1" Fiberglass Throw Away Replacement Filter | Supplyhouse.Com
SupplyHouse.com
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Hart & Cooley 274180250 18" X 25" X 1" Fiberglass Throw Away Replacement Filter | Supplyhouse.Com
SupplyHouse.com
1
$19.99
Filtrete 3m 12 in. H X 6.75 in. W Rectangular HEPA Air Purifier Filter 1 Pk
Ace Hardware
30
$19.99
Filtrete 3m 12 in. H X 6.75 in. W Rectangular HEPA Air Purifier Filter 1 Pk
Ace Hardware
30
$45.30
Captive-Aire 9151 Filter - Mv - Ez - 20" X 25" X 2" - Filters Screens & Driers
Parts Town
$45.30
Captive-Aire 9151 Filter - Mv - Ez - 20" X 25" X 2" - Filters Screens & Driers
Parts Town
$224.62
16X25X2 Lifetime Washable Electrostatic AC / Furnace Filter
Air Filters Inc.
Free shipping
$224.62
16X25X2 Lifetime Washable Electrostatic AC / Furnace Filter
Air Filters Inc.
Free shipping
$190.51
16X16X2 Lifetime Washable Electrostatic AC / Furnace Filter
Air Filters Inc.
Free shipping
$190.51
16X16X2 Lifetime Washable Electrostatic AC / Furnace Filter
Air Filters Inc.
Free shipping
Standard Furnace Filter Sizes (With Drawings)
Standard Furnace Filter Sizes (With Drawings)
Apr 22, 2022
upgradedhome.com
Your Guide to Furnace Filter Replacement
Your Guide to Furnace Filter Replacement
Aug 1, 2023
hvac.com
How to Select a Furnace Filter
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How to Select a Furnace Filter
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What you need to know about furnace filters - National | Globaln…
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How To Choose a Furnace Filter - Ace Hardware
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How to Determine Correct Furnace Filter Direction
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3:38
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11.9K viewsNov 20, 2017
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Nov 3, 2021
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1:19
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YouTubePractical Mechanic
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YouTubeThe Air Of Authority
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219.9K viewsSep 12, 2014
YouTubeThis Old House
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120.9K viewsJun 26, 2019
YouTubeWest Michigan Air Duct & HVAC
8:27
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Jul 4, 2022
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2.7K viewsNov 10, 2023
YouTubeWhartonHVAC
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Shop How to Select Furnace Filters

Sponsored
About our ads
$69.96
16X16x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 15.50 X 1.75 Inches)
FilterBuy.com
38K+
$69.96
16X16x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 15.50 X 1.75 Inches)
FilterBuy.com
$302.00
P032358-016-340 - CP ULTRA-WEB POWERCORE (22.37 " L X 7.56" W X 7.00"H)
Donaldson Torit Filters
$302.00
P032358-016-340 - CP ULTRA-WEB POWERCORE (22.37 " L X 7.56" W X 7.00"H)
Donaldson Torit Filters
$69.37
21X21.5X5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trane Perfect Fit & American Standard
FilterBuy.com
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21X21.5X5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trane Perfect Fit & American Standard
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FilterBuy.com
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13X21.5X1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 X 21.50 X 0.75 Inches)
FilterBuy.com
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Filters
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Filters
Mobile Home Outfitters
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28X30x1 Air Filters (12-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
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28X30x1 Air Filters (12-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
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Captive-Aire 9152 Ez Kleen Mesh Air Filter - Metal - 20" X 20" X 2" - Filters Screens & Driers
Parts Town
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Parts Town
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Filter Everything Electrostatic Washable Furnace Filter - 16-3/8 X 21-1/2 X 1 - Reusable HVAC Air Filter With Durable Aluminum Frame
Amazon.com
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Free shipping
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Filter Everything Electrostatic Washable Furnace Filter - 16-3/8 X 21-1/2 X 1 - Reusable HVAC Air Filter With Durable Aluminum Frame
Amazon.com
$55.29
Filtrete 20 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN5499283
OfficeSupply.com
$55.29
Filtrete 20 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN5499283
OfficeSupply.com
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Aprilaire 413 Replacement Filter For Aprilaire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16X25x4 Air Filter (Pack Of 4)
Amazon.com
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Free shipping
$221.99
Aprilaire 413 Replacement Filter For Aprilaire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16X25x4 Air Filter (Pack Of 4)
Amazon.com
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Filtrete 16 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN2619546
OfficeSupply.com
$55.68
Filtrete 16 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN2619546
OfficeSupply.com
$61.65
Filtrete 16 X 25 X 2 Air Filter, 12 HVAC Filters, Merv 8, Premium Allergen, 3 Month Pleated 2 Inch Electrostatic Air Filters ODFN3494990
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$61.65
Filtrete 16 X 25 X 2 Air Filter, 12 HVAC Filters, Merv 8, Premium Allergen, 3 Month Pleated 2 Inch Electrostatic Air Filters ODFN3494990
OfficeSupply.com
$68.49
Trane Flrqb5dn17m11 Filter - 5" Qwikbox - Merv11 - 16.7" X 20" - Pack Of 2 - Filters Screens & Driers
Parts Town
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Trane Flrqb5dn17m11 Filter - 5" Qwikbox - Merv11 - 16.7" X 20" - Pack Of 2 - Filters Screens & Driers
Parts Town
$65.99
X6672 16X25x5 Air Filter Merv 16 Compatible With Lennox X6672 Healthy Climate Carbon Clean, Part Number Hcf16-16 (1Pack)
Walmart
Free shipping
$65.99
X6672 16X25x5 Air Filter Merv 16 Compatible With Lennox X6672 Healthy Climate Carbon Clean, Part Number Hcf16-16 (1Pack)
Walmart
$147.80
16X25x5ab-FC-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
Discount Filters
$147.80
16X25x5ab-FC-ALLERGY Airx MERV 11 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
Discount Filters
$111.52
$143.80
20X25x5 54-25051-01 Protech MERV 8 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
Discount Filters
22% off
$111.52
$143.80
20X25x5 54-25051-01 Protech MERV 8 Replacement Air Filter By Airx, 4 Pk | Furnace & AC Filter | Pleated"
Discount Filters
$25.24
20X25x5 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
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20X25x5 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
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Mobile Home Furnace Foam Door Filter - 16" X 26" X 1/4" - Compatible With Many Miller, Nordyne, Nortek, Intertherm, Broan And Maytag Furnaces (2-Pack)
Walmart
34
$23.99
Mobile Home Furnace Foam Door Filter - 16" X 26" X 1/4" - Compatible With Many Miller, Nordyne, Nortek, Intertherm, Broan And Maytag Furnaces (2-Pack)
Walmart