Shop test air filters

Sponsored
About our ads
$39.96
16X25x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
41K+
$39.96
16X25x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
41K+
$74.88
20X20x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
711
$74.88
20X20x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
711
$33.96
16X25x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
1K+
$33.96
16X25x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
1K+
$39.96
16X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
838
$39.96
16X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
838
$42.98
20X32x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 X 32.00 X 0.75 Inches)
FilterBuy.com
62K+
$42.98
20X32x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 X 32.00 X 0.75 Inches)
FilterBuy.com
62K+
$143.84
Donaldson Torit P031234 OEM Replacement Filter
Filter Junkie
$143.84
Donaldson Torit P031234 OEM Replacement Filter
Filter Junkie
$31.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
4K+
$31.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
4K+
$67.98
20X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
24K+
$67.98
20X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
24K+
$390.60
HEPA Filter 23-3/8 X 23-3/8 X 12
Filter Junkie
$390.60
HEPA Filter 23-3/8 X 23-3/8 X 12
Filter Junkie
$40.98
14X30x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.88 X 29.88 X 0.75 Inches)
FilterBuy.com
108
$40.98
14X30x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.88 X 29.88 X 0.75 Inches)
FilterBuy.com
108
$59.94
16X20x1 Air Filter (6-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$59.94
16X20x1 Air Filter (6-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
52
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
52
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
40K+
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
40K+
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
65K+
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
65K+
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
149K+
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
149K+
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
24K+
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
24K+
$31.98
10X14x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 X 13.50 X 0.75 Inches)
FilterBuy.com
107
$31.98
10X14x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 X 13.50 X 0.75 Inches)
FilterBuy.com
107
$20.99
16X20x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
400
$20.99
16X20x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
400
$91.95
20X25x4 Air Filter (5-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 3.63 Inches)
FilterBuy.com
93
$91.95
20X25x4 Air Filter (5-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 3.63 Inches)
FilterBuy.com
93
$99.96
16X20x4 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
44K+
$99.96
16X20x4 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
44K+
$74.97
20X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
9
$74.97
20X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
9
$129.38
Pneumafil A52029-C1 OEM Replacement Filter
Filter Junkie
$129.38
Pneumafil A52029-C1 OEM Replacement Filter
Filter Junkie
$119.88
16X20x1 Air Filter (12-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
1K+
$119.88
16X20x1 Air Filter (12-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
1K+
$97.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
43
$97.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
43
$390.60
HEPA Filter 24 X 24 X 12
Filter Junkie
$390.60
HEPA Filter 24 X 24 X 12
Filter Junkie
$44.94
20X20x1 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$44.94
20X20x1 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$101.97
16X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com
$101.97
16X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com
$62.94
20X20x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 1.75 Inches)
FilterBuy.com
46K+
$62.94
20X20x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 1.75 Inches)
FilterBuy.com
46K+
$55.98
16X20x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 1.75 Inches)
FilterBuy.com
46K+
$55.98
16X20x2 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 1.75 Inches)
FilterBuy.com
46K+
$117.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
54
$117.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
54
$127.96
20X30x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 29.50 X 3.63 Inches)
FilterBuy.com
4
$127.96
20X30x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 29.50 X 3.63 Inches)
FilterBuy.com
4
$69.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com
174
$69.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com
174
$28.99
22.25X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 22.25 X 25.00 X 0.75 Inches)
FilterBuy.com
$28.99
22.25X25x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 22.25 X 25.00 X 0.75 Inches)
FilterBuy.com
The ULTIMATE Air Filter Test [Engineer Tested]
13:20
Find in video from 01:06Designing the Air Filter Testing Rig
The ULTIMATE Air Filter Test [Engineer Tested]
1.1M viewsOct 31, 2024
YouTubeBrand Ranks
Which Car Air Filter is Best? Let's find out! Fram, K&N, Wix, Purolator, & AC Delco showdown
15:34
Find in video from 01:03Air Filter Test Setup
Which Car Air Filter is Best? Let's find out! Fram, K&N, Wix, Purolato…
3.8M viewsMar 9, 2020
YouTubeProject Farm
Intake Filters TESTED: More Dough = More Flow?
16:13
Intake Filters TESTED: More Dough = More Flow?
399.6K views9 months ago
YouTubeTorque Test Channel
How to Know If Your Filter Is Actually Working
0:33
How to Know If Your Filter Is Actually Working
1.2K views6 months ago
YouTubeSimply Filters
Air Filter System Flow Bench Testing | Unbiased Surprising Results
9:52
Find in video from 00:23Filter Testing Setup
Air Filter System Flow Bench Testing | Unbiased Surprising Res…
62.1K viewsMar 17, 2023
YouTubeJoseph Nowak
HEPA Filter 99.95% Performance Test | Smart Air Blast Air Purifier
3:16
HEPA Filter 99.95% Performance Test | Smart Air Blast Air Purifier
4K viewsFeb 4, 2021
YouTubeSmart Air
How Do Tests Determine the Best Air Filter?
0:57
Find in video from 00:24Test Ducks and Mobile Labs
How Do Tests Determine the Best Air Filter?
2K viewsApr 8, 2024
YouTubeCamfil USA
1:17
PURE-AIR TECH: How We Test Filters for Maximum Performance …
3 weeks ago
YouTubePure-Air Purification
0:20
How to Check Air Filter is Good or Bad | Air Filter Cleaning Method | …
497 views2 months ago
YouTubeAli Auto WORKSHOP
16:00
I Tested the Top 5 Air Purifiers... This is Best!
388.4K viewsAug 9, 2024
YouTubeShervin Shares
2:23
Technician Light Test Filter Check Airflow Integrity
7 views6 months ago
YouTubeBig Home Projects Q&A
13:24
Find in video from 03:06Dyno Testing with Dirty Air Filter
Do Performance Air Filters Actually Work?
6.4M viewsNov 14, 2018
YouTubeEngineering Explained
3:02
How to Measure & Replace Your Air Filter (The Right Way)
242.1K views5 months ago
YouTubeFilterbuy
17:49
This Filter will DAMAGE your AC system!
402.7K viewsMar 19, 2025
YouTubeAtlas AC
18:51
ENGINE AIR FILTERS - Which is the best? Original vs Aftermarket
229.3K viewsDec 1, 2021
YouTubeSergiu Gabor
26:55
STOP Overpaying for Home Air Filters! I Tested Different MERV Fil…
55.8K viewsFeb 24, 2025
YouTubeThe Excellent Laborer
0:57
Ensuring Safety: Air Filter Integrity Testing for Labs #biomanufacturing
2.2K viewsApr 21, 2025
YouTubeKNIKBIOREACTOR
2:48
UFI Air Flow test bench
64.4K viewsDec 11, 2024
YouTubeUFI Filters Group
12:41
*NEVER* install THIS if you want your car to last! (Engineer Tested)
225.1K viewsOct 16, 2024
YouTubeBrand Ranks
1:43
How to check your car air filter
7.1K viewsMay 2, 2019
YouTubeMr Baz Reviews
14:27
The Best Air Purifier Tier List Version 2.0 - Surprising Results!
345.1K viewsAug 25, 2024
YouTubeConsumer Analysis
12:55
Find in video from 01:31Air Filter Test Stand
Best Furnace Filter Brand? 3M Filtrete vs HoneyWell BestAir, Nor…
2.5M viewsFeb 14, 2021
YouTubeProject Farm
21:16
HVAC Filter Showdown: Cheap Filter vs Expensive Filter || Full Te…
5K viewsFeb 19, 2025
YouTubeHome, Life & Leisure DIY
3:31
Understanding Respirator, Cartridge, and Filter Markings
18.5K viewsMay 14, 2024
YouTube3M
35:04
Find in video from 06:00Clean Air Delivery Rate (CADR) Explained
Most HEPA Air Purifiers Are A SCAM (There's A Better Option)
997.2K viewsMar 18, 2024
YouTubeHealthy Home Guide
16:04
Performance Air Filters - K&N vs AEM vs BMC - DYNO TEST
852.2K viewsOct 29, 2021
YouTubeSergiu Gabor
5:11
Find in video from 00:15Filter Return Air Grill
Air Filter Types Explained: How to Choose the Best HVAC Filter for Y…
3.4K viewsJul 31, 2024
YouTubeWright Home Services
2:23
Measuring Filter Pressure Drop
2K viewsSep 21, 2024
YouTubeEnergy Vanguard
3:19
Filter Testing & Aerosol Injection
13.1K viewsJun 9, 2020
YouTubePrice Industries
0:39
How to check if an air filter needs to be changed | #automobile #airfilte…
1K views2 months ago
YouTubeOP Mechanic
See more videos
Static thumbnail place holder

Shop test air filters

Sponsored
About our ads
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
52
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
40K+
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
65K+
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
149K+
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
24K+
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
$31.98
10X14x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 X 13.50 X 0.75 Inches)
FilterBuy.com
107
$31.98
10X14x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 9.50 X 13.50 X 0.75 Inches)
FilterBuy.com
$20.99
16X20x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
400
$20.99
16X20x1 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
$91.95
20X25x4 Air Filter (5-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 3.63 Inches)
FilterBuy.com
93
$91.95
20X25x4 Air Filter (5-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 3.63 Inches)
FilterBuy.com
$99.96
16X20x4 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
44K+
$99.96
16X20x4 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
$74.97
20X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
9
$74.97
20X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
$129.38
Pneumafil A52029-C1 OEM Replacement Filter
Filter Junkie
$129.38
Pneumafil A52029-C1 OEM Replacement Filter
Filter Junkie
$119.88
16X20x1 Air Filter (12-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
1K+
$119.88
16X20x1 Air Filter (12-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
$97.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
43
$97.96
20X25x5 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
FilterBuy.com
$390.60
HEPA Filter 24 X 24 X 12
Filter Junkie
$390.60
HEPA Filter 24 X 24 X 12
Filter Junkie
$44.94
20X20x1 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$44.94
20X20x1 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
$101.97
16X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com
$101.97
16X25x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear 255649-105 & More
FilterBuy.com

Shop test air filters

Sponsored
About our ads
$39.96
16X25x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
41K+
$39.96
16X25x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
41K+
$74.88
20X20x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
711
$74.88
20X20x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
711
$33.96
16X25x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
1K+
$33.96
16X25x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 24.50 X 0.75 Inches)
FilterBuy.com
1K+
$39.96
16X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
838
$39.96
16X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
838
$42.98
20X32x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 X 32.00 X 0.75 Inches)
FilterBuy.com
62K+
$42.98
20X32x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 X 32.00 X 0.75 Inches)
FilterBuy.com
62K+
$143.84
Donaldson Torit P031234 OEM Replacement Filter
Filter Junkie
$143.84
Donaldson Torit P031234 OEM Replacement Filter
Filter Junkie
$31.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
4K+
$31.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
4K+
$67.98
20X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
24K+
$67.98
20X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Generalaire, Skuttle, & More
FilterBuy.com
24K+
$390.60
HEPA Filter 23-3/8 X 23-3/8 X 12
Filter Junkie
$390.60
HEPA Filter 23-3/8 X 23-3/8 X 12
Filter Junkie
$40.98
14X30x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.88 X 29.88 X 0.75 Inches)
FilterBuy.com
108
$40.98
14X30x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.88 X 29.88 X 0.75 Inches)
FilterBuy.com
108
$59.94
16X20x1 Air Filter (6-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$59.94
16X20x1 Air Filter (6-Pack), Pleated MERV 13 Optimal Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 0.75 Inches)
FilterBuy.com
8K+
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$48.98
16X25x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1029, Lennox X6670, Carrier, & More
FilterBuy.com
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
52
$59.96
14X14x1 Air Filter (4-Pack), Pleated MERV 8 Odor Eliminator HVAC AC Furnace Air Filters Replacement (Actual Size: 13.75 X 13.75 X 0.75 Inches)
FilterBuy.com
52
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
40K+
$37.98
20X20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
40K+
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
65K+
$27.98
20X20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 19.50 X 0.75 Inches)
FilterBuy.com
65K+
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$104.23
Torit/Donaldson P191920 OEM Replacement Filter
Filter Junkie
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
149K+
$33.96
16X16x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.75 X 15.75 X 0.75 Inches)
FilterBuy.com
149K+
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
24K+
$99.98
14.5X27x5 Air Filter (2-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Trane, American Standard, Honeywell, & Accumulair
FilterBuy.com
24K+