5" Furnace Filters

Elevate Your Home's Air Quality with 5 Inch Furnace Filters

Do you want really clear air in your home? Be sure to upgrade to 5-inch furnace filters, and you’ll find a minor upgrade that will make a big difference in your home’s air health. 

From our 4-inch furnace filters to our 5 inch filters, best believe you will save significantly on filters while enjoying the benefits of the best furnace filters on the market.

Our 5-inch premium furnace filters provide better performance compared to standard air filters. This design allows for a much longer life and higher efficiency than smaller-sized furnace filters. This means less replacements and less hassle for you!

United Filter has the best deals and prices on furnace air filters, far lower than you’ll find on Amazon. With years of experience on our side and a team of experts who can help you find the right 5 inch furnace filters for your individualized needs. We can help you and your family breathe cleaner, healthier air in your home.

Elevate Your Home's Air Quality with 5 Inch Furnace Filters

Do you want really clear air in your home? Be sure to upgrade to 5-inch furnace filters, and you’ll find a minor upgrade that will make a big difference in your home’s air health. 

From our 4-inch furnace filters to our 5 inch filters, best believe you will save significantly on filters while enjoying the benefits of the best furnace filters on the market.

Our 5-inch premium furnace filters provide better performance compared to standard air filters. This design allows for a much longer life and higher efficiency than smaller-sized furnace filters. This means less replacements and less hassle for you!

United Filter has the best deals and prices on furnace air filters, far lower than you’ll find on Amazon. With years of experience on our side and a team of experts who can help you find the right 5 inch furnace filters for your individualized needs. We can help you and your family breathe cleaner, healthier air in your home.

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5" Furnace Filters

Honeywell 16x25x5 MERV 8 - Case of 3 Honeywell 16x25x5 MERV 8 - Case of 3

Nominal Size: 16x25x5
Actual Size: 15-7/8 x 24-3/4 x 4-3/8
Part #: UFH-51625M8-3
MERV: 8
# Per Case: 3
Price per Case: $74.99
Manufactured: Canada

 

*Effective for dust, pollen, pet dander, bacteria and mould

 

Also Fits or Replaces:

Brand Air Cleaner Filter Part #
HONEYWELL F25F1000
F35F1008
F25F1042
F25A1043
F200E2029
F200E1029
F100F1012
F100F2002
F150E1026
F100B1016
FC200E1029
FC200E1029
FC100A1029
CF100F1041
CF200A1008
FC100A1029
FC100C1009
FC35A1001
LENNOX HCC16-10
HCC16-16
HCC16-28
X0583
X6670
X6672
X8303
X8306
X8309
X8312
BEST AIR PRO 5-1625-PR8
5-1625-PR8C
5-1625-PR11
51625-PR8
51625-PR8 C
ELECTRO-AIR MFH-16-25-4
GENERALAIRE 4352
GA100A29
DAFCO 1011116
1012016
1014624
1027579
AMANA AMP-11-1625-4H
CARRIER FILCABCC0016
MPKAXXCC0016
FILXXCAR0016
FILCCCAR0016
FILXXCAR0116
BRYANT MACPAC MPK016
MAKPAK MPK016
FILCABBB0016
FILCABBS0016
MPKAXXBB0016
FILXXCAR0116
FILLBBCAR0016
FILLXXCAR0016
$54.00
5" Furnace Filters

Genuine Lennox Healthy Climate 16x25x5 X6670 MERV 11 Case of 3 Genuine Lennox Healthy Climate 16x25x5 X6670 MERV 11 Case of 3

Nominal Size: 16 x 25 x 5
Actual Size: 15-7/8 x 24-3/4 x 4-3/8
Part #: X6670 HCF16-11 
MERV: 11
Case: 3

Price: $149.99

  • Replacement for Honeywell 16X25 FC100A1029 by Lennox
  • Genuine Lennox Healthy Climate Replacement Filter, MERV 11

$107.00
5" Furnace Filters

Genuine Lennox Healthy Climate 16x25x5 X6670 MERV 11 Genuine Lennox Healthy Climate 16x25x5 X6670 MERV 11

Nominal Size: 16 x 25 x 5
Actual Size: 15-7/8 x 24-3/4 x 4-3/8
Part #: X6670 HCF16-11 
MERV: 11
Case: 2

Price: $104.99

  • Replacement for Honeywell 16X25 FC100A1029 by Lennox
  • Genuine Lennox Healthy Climate Replacement Filter, MERV 11

$75.00
5" Furnace Filters

Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter (2 Pack) Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter (2 Pack)

Nominal Size: 20 x 20 x 5
Actual Size: 20 x 19-3/4 x 4-3/8
Part #: X7935-2
Case: 2
Price: $449.99
  • Use in Lennox Healthy Climate HCC14-16 Air Cleaner
  • MERV 16 Efficiency to capture particles as small as 0.1 microns
  • Actual Size: 20" x 19-3/4" x 4-3/8"
  • Lasts up to 1 Year in Many Home Environments
  • Genuine Lennox OEM Filter

$319.00
5" Furnace Filters

Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter

Nominal Size: 20 x 20 x 5
Actual Size: 20 x 19-3/4 x 4-3/8
Part #: X7935
Case: 1
Price: $229.99
  • Use in Lennox Healthy Climate HCC14-16 Air Cleaner
  • MERV 16 Efficiency to capture particles as small as 0.1 microns
  • Actual Size: 20" x 19-3/4" x 4-3/8"
  • Lasts up to 1 Year in Many Home Environments
  • Genuine Lennox OEM Filter
  • FREE SHIPPING

$164.00
5" Furnace Filters

X6675 Genuine Lennox 20x25x5 MERV 16 X6675 Genuine Lennox 20x25x5 MERV 16

Nominal Size: 20 x 25 x 5
Actual Size: 19-3/4 x 24-3/4 x 4-3/8
Part #: X6675
Case: 1
MERV: 16
Price: $189.99
  • Fits Honeywell 20" x 25" Air Cleaners
  • Fits Lennox Models HCC20-28, HCXF20-10, HCF20-10
  • FREE SHIPPING

Highest rated filter available for residential systems MERV 16
Interchangeable with Honeywell FC100A1037 or FC200E1037
Interchangeable with Bryant / Carrier - EXPXXFIL0020, FILBBCAR0020 / FILCCCAR0020

Lennox Healthy Climate X6675 replaces part 100908-03

Fits the Following Air cleaner models:

Lennox: HCC20-28
Honeywell: F25A1068, F25F1067, F35F1024, F100F1038, F150E1034, F200E1037
Carrier: EZXCAB020, MACA020, MPKA020, FILCAB020
Trion Air Bear: 453000-001, Supreme 2000, 455602-001, 447380-002

Recommended to change this filter every 9-12 months.


$135.00
5" Furnace Filters

Lennox X6672 Healthy Climate 16x25x5 MERV 16 Filter - Case of 2 Filters Lennox X6672 Healthy Climate 16x25x5 MERV 16 Filter - Case of 2 Filters

Nominal Size: 16 x 25 x 5
Actual Size: 15-3/4 x 24-3/4 x 4-3/8
Part #: X6672
Case: 2
MERV: 16
Price: $349.99
  • Fits Lennox model HCC16-28, HCXF16-10 air cleaners

    • GENUINE OEM Lennox Part# X6672
    • Fits HCC16-28 Healthy Climate True Fit Cabinet
    • Highest rated filter available for residential systems MERV 16

     

  • Note: Interchangeable with Honeywell FC100A1029 or FC200E1029

 



$249.00
5" Furnace Filters

Genuine Lennox X6672 Healthy Climate 16x25x5 MERV 16 Filter - Case of 1 Genuine Lennox X6672 Healthy Climate 16x25x5 MERV 16 Filter - Case of 1

Nominal Size: 16 x 25 x 5
Actual Size: 15-3/4 x 24-3/4 x 4-3/8
Part #: X6672
Case: 1
MERV: 16
Price: $179.99
  • Fits Lennox model HCC16-28, HCXF16-10 air cleaners

    • GENUINE OEM Lennox Part# X6672
    • Fits HCC16-28 Healthy Climate True Fit Cabinet
    • Highest rated filter available for residential systems MERV 16

     

  • Note: Interchangeable with Honeywell FC100A1029 or FC200E1029

 



$128.00
5" Furnace Filters

Honeywell Genuine OEM 16X25 FC100A1029 MERV 11 Furnace Filter - Case of 5 Honeywell Genuine OEM 16X25 FC100A1029 MERV 11 Furnace Filter - Case of 5

Nominal Size: 16 x 25 x 5
Actual Size: 15-7/8 x 24-3/4 x 4-3/8
Part #: FC100A1029
MERV: 11
Case: 

Price: $164.99

HONEYWELL OEM 16X25x5 MEDIA FILTERS. PACK OF 5 FILTERS HONEYWELL PART # FC100A1029.  Please check and verify your filter actual size prior to ordering. Fits  Honeywell 16x25 F100 and F200 Media Air Cleaners. High-efficiency MERV 11 media filter allowing more surface area for longer filter life. These filters have better air flow with low static pressure which can save on energy costs and extend furnace life.


$117.00
5" Furnace Filters

Honeywell Genuine OEM 16X25 FC100A1029 MERV 11 Furnace Filter - Case of 3 Honeywell Genuine OEM 16X25 FC100A1029 MERV 11 Furnace Filter - Case of 3

Nominal Size: 16 x 25 x 5
Actual Size: 15-7/8 x 24-3/4 x 4-3/8
Part #: FC100A1029
MERV: 11
Case: 3 

Price: $119.99

HONEYWELL OEM 16X25x5 MEDIA FILTERS. Case of 3 FILTERS HONEYWELL PART # FC100A1029.  Please check and verify your filter actual size prior to ordering. Fits  Honeywell 16x25 F100 and F200 Media Air Cleaners. High-efficiency MERV 11 media filter allowing more surface area for longer filter life. These filters have better air flow with low static pressure which can save on energy costs and extend furnace life.


$86.00
5" Furnace Filters

M1-1056 AMP M1-1056 Replacement Furnace Filter - Case of 4

Nominal Size: 16 x 25 x 5
Actual Size: 15-3/8 x 25-1/2 x 5-1/4
Part #: M11-1056-4
MERV: 11
Case: 4
Price: $120.99

 

M1-1056 | AMP M1-1056 Replacement Furnace Filter.

 

*Effective for dust, pollen, pet dander, bacteria and mould. Made in Canada.

Also Fits or Replaces:

Brand Air Cleaner Filter Part #
AMANA A13MU1625
A13MU1625-A
ABB1625
AM11-1625-5
AM14-1625-5
AMU1625
ASAS-11*
AMP-M1-1056
FSM1-1056
M1-1056
BROAN 918368*
918376
918402
919043*
919060
BB1625
EAC1625*
MU1625
9183950
CARRIER CMF1625
CMF1625A
CNC1625
SAS-11*
M1-1056
G1-1056
CINQUARTZ CQ1625
CQ1625-A
CQ1625TL
CQMEDIA14-1625
CQMF3225 (X2 Filters)
COLEMAN CEMU1625
CENC1625
SCC-11*
M1-1056
ELECTRO-AIR EA14MU1625
EA14MU1625-A
EABB1625
EAFHG1425-7M1
EAFHG1625-7M1
EAMF3225 (2 required)
EAMU1625
EAMU1625-A
EANC1625, SAS-11*
M1-1056
FIVE SEASONS FS14MU1625
FS14MU1625-A
FSBB1625
FSFHG1425-7M1
M1-1056
$86.00
5" Furnace Filters

Genuine Lennox Y6605 Healthy Climate 16x25x5 MERV 16 Filter - Case of 1 Genuine Lennox Y6605 Healthy Climate 16x25x5 MERV 16 Filter - Case of 1

Nominal Size: 16 x 25 x 5
Actual Size: 16-3/8" x 25-1/2" x 4-3/8"
Part #: Y6605

Case: 1
MERV: 16
Price: $229.99

 

Replacement for PCO3-16-16 PureAir Air Purification Systems

  • GENUINE OEM Lennox Part# Y6605
  • MERV 16 Rated and Carbon Pleated
  • Highest rated filter available for residential systems MERV 16

 

 



$164.00
Show:

Why Choose 5 Inch Furnace Filters?

5-inch furnace filters are built with a larger surface area than their counterparts. This enables these furnace filters to capture a broader range of airborne pollutants. The increased air filtration capacity of our 5 inch filters means cleaner, fresher air for you and your family. These filters are particularly effective at trapping:

  • Microscopic particles: Dust mites, pet dander, and pollen
  • Allergens and irritants: Mold spores and bacteria
  • Harmful pollutants: Smoke and volatile organic compounds (VOCs)

If you or someone in your household suffers from allergies, asthma, or other respiratory issues, 5-inch filters can provide significant relief by reducing exposure to these triggers.

The Benefits of Buying 5 Inch Furnace Filters Online

One of the most important preventative measures you can take for optimal indoor air quality is to replace your furnace filter regularly. But who has the time to drive to the store only to carry heavy filter boxes home? 

There are many reasons to buy your 5-inch furnace filters online at United Filter. Here are the top 3 reasons:

The Ultimate Convenience : Order your filters from the comfort of your living room and have them shipped to your home. It's that simple!

Huge Variety : Our selection of 5-inch filters is unbeatable, with different MERV ratings to suit whatever you need. From ordinary dust filtration to advanced allergen filtration, whichever you need, we got your filter.

Better Value : Buying your filters directly from United Filter cuts out the middleman and avoids the inflated prices you’ll see on popular online sites like Amazon. We pride ourselves on having the lowest prices for a quality range of furnace air filters .

Elevate Your Home's Air Quality Today

When it comes to purchasing 5-inch furnace filters, United Filter is your best bet. Before you order, you need to know the size your system requires. 

Our easy-to-use website makes it as simple as possible to identify the precise size you require. If you need help, our expert customer service team is available to assist you.

So please do not risk your family’s health and well-being. Invest in a superior quality 5 inch furnace filter so you can breathe easily, knowing that you are protecting your house from any harmful impurities. 

Remember that replacing your 5 inch furnace filters is critical for maintaining optimal air quality in our home.