Shop furnace filter size chart

Sponsored
About our ads
$93.54
16X25x4 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$93.54
16X25x4 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$98.64
16X25x1 Air Filters (12-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
7
$98.64
16X25x1 Air Filters (12-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
7
$90.48
20X32x1 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
3
$90.48
20X32x1 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
3
$54.96
16X25x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
18
$54.96
16X25x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
18
$99.90
15.5X29x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$99.90
15.5X29x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$54.36
18X20x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2
$54.36
18X20x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2
$47.96
20X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
1K+
$47.96
20X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
1K+
$44.96
16X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2K+
$44.96
16X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2K+
$97.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
3K+
Free shipping
$97.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
3K+
$116.96
$129.96
Filterbuy 24X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
92
Free shipping
10% off
$116.96
$129.96
Filterbuy 24X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
92
$67.39
$74.88
Filterbuy 20X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
711
Free shipping
10% off
$67.39
$74.88
Filterbuy 20X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
711
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
1K+
Free shipping
23% off
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
1K+
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
1K+
Free shipping
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
1K+
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
164
Free shipping
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
164
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
147K+
Free shipping
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
147K+
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
160
Free shipping
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
160
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
69
Free shipping
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
69
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
148K+
Free shipping
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
148K+
$59.94
Filterbuy 12X36x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
194
Free shipping
$59.94
Filterbuy 12X36x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
194
$29.98
Filterbuy 16X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
65K+
Free shipping
$29.98
Filterbuy 16X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
65K+
$49.98
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
7K+
Free shipping
$49.98
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
7K+
$107.89
$119.88
Filterbuy 16X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
67
Free shipping
10% off
$107.89
$119.88
Filterbuy 16X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
67
$58.98
Filterbuy 16X25x3 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters For Trion Air Bear,
Amazon.com
274
Free shipping
$58.98
Filterbuy 16X25x3 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters For Trion Air Bear,
Amazon.com
274
$109.73
$121.92
Filterbuy 20X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
69
Free shipping
$109.73
$121.92
Filterbuy 20X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
69
$54.98
$71.47
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
5K+
Free shipping
23% off
$54.98
$71.47
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
5K+
$79.98
Filterbuy 20X25x6 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Aprilaire Space-Gard 201, 2200,
Amazon.com
2K+
Free shipping
$79.98
Filterbuy 20X25x6 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Aprilaire Space-Gard 201, 2200,
Amazon.com
2K+
$89.96
$99.96
Filterbuy 16X25x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
11K+
Free shipping
10% off
$89.96
$99.96
Filterbuy 16X25x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
11K+
$67.39
$74.88
Filterbuy 16X25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
693
Free shipping
10% off
$67.39
$74.88
Filterbuy 16X25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
693
$74.35
Filtrete 24X30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (
Amazon.com
449
Free shipping
$74.35
Filtrete 24X30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (
Amazon.com
449
$120.10
11X11x1 MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$120.10
11X11x1 MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$25.90
VEVOR Electrostatic Air Filter 16X20x1 Inch Washable & Reusable Aluminum AC/HVAC Furnace Filter Merv 8 Long Lifetime Home Or Office (Actual Size:
VEVOR
5
$25.90
VEVOR Electrostatic Air Filter 16X20x1 Inch Washable & Reusable Aluminum AC/HVAC Furnace Filter Merv 8 Long Lifetime Home Or Office (Actual Size:
VEVOR
5
$131.13
13" X 17" X 1" MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$131.13
13" X 17" X 1" MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$161.88
16X20x1 MERV 8 Carbon Air Filter By Airx | 12-Pack For Furnace & AC
Discount Filters
$161.88
16X20x1 MERV 8 Carbon Air Filter By Airx | 12-Pack For Furnace & AC
Discount Filters
$72.90
VEVOR Electrostatic Air Filter 20X25x4 Inch Washable & Reusable Aluminum AC/HVAC Furnace Filter Merv 8 Long Lifetime Home Or Office (Actual Size:
VEVOR
5
$72.90
VEVOR Electrostatic Air Filter 20X25x4 Inch Washable & Reusable Aluminum AC/HVAC Furnace Filter Merv 8 Long Lifetime Home Or Office (Actual Size:
VEVOR
5
$190.19
Filtrete 20X25x4 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.75 X 24.62 X 4.31 In)
Matilda Co
$190.19
Filtrete 20X25x4 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.75 X 24.62 X 4.31 In)
Matilda Co
$215.56
Filtrete 20X25x5 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.56 X 24.13 X 4.75 In)
Matilda Co
$215.56
Filtrete 20X25x5 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.56 X 24.13 X 4.75 In)
Matilda Co
Standard Furnace Filter Sizes (With Drawings)
Standard Furnace Filter Sizes (With Drawings)
Apr 22, 2022
upgradedhome.com
Furnace Filter Sizes: What Size Air Filter Do You Need? | HVAC Training Shop
Furnace Filter Sizes: What Size Air Filter Do You Need? | HVAC Training Shop
Sep 13, 2021
hvactrainingshop.com
What Are the Standard HVAC Air Filter Sizes? Find the Best Fit for Your System
What Are the Standard HVAC Air Filter Sizes? Find the Best Fit for Your System
11 months ago
weebly.com
Lennox Furnace Filter Size by Model Number | Lookup Guide
Lennox Furnace Filter Size by Model Number | Lookup Guide
Oct 12, 2017
atomicfilters.com
3 Ways to Find the Air Filter Size You Need
3 Ways to Find the Air Filter Size You Need
Feb 5, 2025
filtersfast.com
Your Guide to Furnace Filter Replacement
Your Guide to Furnace Filter Replacement
Aug 1, 2023
hvac.com
How to Find the Right Replacement Air Filter by Size or Model Number avoiding common mistakes
4:35
How to Find the Right Replacement Air Filter by Size or Model Number avoiding common mistakes
28.8K viewsOct 12, 2020
YouTubeKevin King
0:53
What size furnace filter do you need?
2.6K viewsNov 11, 2023
YouTubeHow That Works - With Hank Baugh
What Size Filter for a Carrier Furnace? - HVACseer.com
Jun 10, 2022
hvacseer.com
3:28
How to Choose the Furnace Filter Size
5.9K viewsFeb 19, 2018
YouTubeASI The White Glove Guys
Furnace BTU Sizing Calculator: Find the Correct Furnace Size
Dec 22, 2020
hvactraining101.com
2:53
How Do I Find My Furnace Filter Size?
2.4K viewsDec 3, 2021
YouTubeFurnaceFilterTalk
4:21
What Size Furnace Filter Do I Need : to Install Furnace Filter
3.7K viewsFeb 18, 2022
YouTubeHouseBarons
3:38
How to Determine Missing AC and Furnace Filter Size
24.2K viewsDec 31, 2019
YouTubeGreen Residential
0:16
How do I know what type and size of filter to use for my furnace?
27 viewsFeb 2, 2025
YouTubeAction Furnace
2:28
Are Air Filter Sizes Standard For All Furnaces? - Explaining Household Mysteries
6 views7 months ago
YouTubeExplaining Household Mysteries
What you need to know about furnace filters
Oct 19, 2014
Global NewsBrian McKechnie
Best Furnace Filters
10 months ago
thisoldhouse.com
2:41
How to measure your furnace AC air filter. FilterBuy.com.
27.7K viewsDec 1, 2015
YouTubeFilterbuy
2:13
How To Measure Your Furnace Filter | Air Filters Delivered
34.7K viewsSep 22, 2016
YouTubeAir Filters Delivered
8:20
HVAC Sizing Explained: Filter and Return Grill Sizing
37.3K viewsJan 22, 2025
YouTubeHVAC Guide for Pros
6:14
How To Locate, Size & Replace Your Furnace Filter
78.3K viewsApr 10, 2020
YouTubeMold Medics
11:40
Choosing Furnace Filters by Merv Ratings
15.5K viewsApr 20, 2017
YouTubeAGlobal LLC
Air Filter Buying Guide
Feb 7, 2019
HOMEDEPOT
9:47
Know Your Filters: Understanding the Different Types of Furnace Filters
2.6K viewsMar 25, 2022
YouTubeHome Repair Hub
2:20
5” Furnace Filters - Also Slimmer 4.25, 4.38, 4.5, 4.7 Inch Sizes
10.1K viewsDec 16, 2019
YouTubeMr. Hardware
1:54
Choosing the Right Filter for Your Home's HVAC System Made Easy!
2.1K viewsMay 23, 2022
YouTubeAir-Care
2:55
HOW TO CHANGE OR REPLACE A FURNACE FILTER
225.7K viewsJun 7, 2016
YouTubeghostlyrich
2:39
Honeywell Furnace Filters (MERV Rating and Installation Help)
8.5K viewsJul 1, 2021
YouTubeeAccess Solutions Inc
7:42
How to Choose the BEST Furnace Air Filter (MERV Ratings & More Explained)
23.2K views7 months ago
YouTubeLearned From Dad
See more

Shop furnace filter size chart

Sponsored
About our ads
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
1K+
Free shipping
23% off
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
1K+
Free shipping
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
164
Free shipping
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
147K+
Free shipping
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
160
Free shipping
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
69
Free shipping
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
148K+
Free shipping
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$59.94
Filterbuy 12X36x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
194
Free shipping
$59.94
Filterbuy 12X36x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$29.98
Filterbuy 16X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
65K+
Free shipping
$29.98
Filterbuy 16X20x2 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
$49.98
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
7K+
Free shipping
$49.98
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
$107.89
$119.88
Filterbuy 16X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
67
Free shipping
10% off
$107.89
$119.88
Filterbuy 16X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
$58.98
Filterbuy 16X25x3 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters For Trion Air Bear,
Amazon.com
274
Free shipping
$58.98
Filterbuy 16X25x3 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters For Trion Air Bear,
Amazon.com
$109.73
$121.92
Filterbuy 20X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
69
Free shipping
$109.73
$121.92
Filterbuy 20X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
$54.98
$71.47
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
5K+
Free shipping
23% off
$54.98
$71.47
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
$79.98
Filterbuy 20X25x6 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Aprilaire Space-Gard 201, 2200,
Amazon.com
2K+
Free shipping
$79.98
Filterbuy 20X25x6 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters For Aprilaire Space-Gard 201, 2200,
Amazon.com
$89.96
$99.96
Filterbuy 16X25x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
11K+
Free shipping
10% off
$89.96
$99.96
Filterbuy 16X25x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
$67.39
$74.88
Filterbuy 16X25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
693
Free shipping
10% off
$67.39
$74.88
Filterbuy 16X25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
$74.35
Filtrete 24X30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (
Amazon.com
449
Free shipping
$74.35
Filtrete 24X30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (
Amazon.com

Shop furnace filter size chart

Sponsored
About our ads
$93.54
16X25x4 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$93.54
16X25x4 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$98.64
16X25x1 Air Filters (12-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
7
$98.64
16X25x1 Air Filters (12-Pack) MERV 13 - Superior Protection | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
7
$90.48
20X32x1 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
3
$90.48
20X32x1 Air Filters (4-Pack) MERV 11 - Advanced / Allergen Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
3
$54.96
16X25x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
18
$54.96
16X25x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
18
$99.90
15.5X29x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$99.90
15.5X29x2 Air Filters (6-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
$54.36
18X20x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2
$54.36
18X20x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2
$47.96
20X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
1K+
$47.96
20X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
1K+
$44.96
16X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2K+
$44.96
16X25x2 Air Filters (4-Pack) MERV 8 - Standard / Dust Defense | Pleated, Standard Capacity Replacement Air Filters For HVAC, AC, Furnace
Filter King
2K+
$97.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
3K+
Free shipping
$97.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
3K+
$116.96
$129.96
Filterbuy 24X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
92
Free shipping
10% off
$116.96
$129.96
Filterbuy 24X24x2 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
92
$67.39
$74.88
Filterbuy 20X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
711
Free shipping
10% off
$67.39
$74.88
Filterbuy 20X20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size
Amazon.com
711
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
1K+
Free shipping
23% off
$104.96
$136.45
Filterbuy 20X25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
1K+
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
1K+
Free shipping
$79.96
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
1K+
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
164
Free shipping
$59.98
Filterbuy 24X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
164
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
147K+
Free shipping
$39.99
Filtrete 20X20x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters For Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (
Amazon.com
147K+
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
160
Free shipping
$79.96
Filterbuy 16X30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
160
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
69
Free shipping
$79.98
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
69
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
148K+
Free shipping
$84.96
Filterbuy 24X24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement (Actual Size:
Amazon.com
148K+