Best 4″ Home Air Filter in USA

There are a lot of products and services available in the market. Consumers find it difficult to choose the best product that meets their needs. In order to help consumers with that process, we have compiled a list of Top 20 Best 4″ Home Air Filter, which will allow them to make a more informed decision when buying any product or service.

Before finalizing these products, our team considered numerous factors, such as customer feedback, features, specifications, and price. This list is a useful tool for all of our readers who are looking for The 20 Best 4″ Home Air Filter. Hopefully you find it useful!

Best 4″ Home Air Filter

Filtrete 20x25x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (actual 19.88 x 24.63 x 4.31)

$67.99
$63.41
 in stock
8 new from $59.99
3 used from $54.16
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses - and large particles, including lint, household dust and pollen
  • 1550 MPR has a rating of MERV 12
  • The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it

Honeywell Home 20x25x4 MERV 8, AC Furnace Air Filter, 1 PACK (CF100A1025) (Actual Dimensions: 19.94 x 24.87 x 4.38 in.)

$26.37  in stock
2 new from $26.37
5 used from $18.76
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • A HEALTHIER HOUSEHOLD - Breathe easy in your home with a Honeywell Home 4-Inch High Efficiency Air Cleaner Filter that helps keep hazardous airborne particles out and fresh air flowing in
  • MERV 8 RATING - Get exceptional protection against dust, viruses, bacteria, fungus, pollen, and spores. 20x more effective than typical 1-inch fiberglass filters
  • RECOMMENDED USE - Recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air
  • LONG LASTING FILTRATION - Lasts up to 12 months without losing quality over time
  • EASY INSTALLATION - Honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free.

Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 24.63 x 4.31)

$44.99  in stock
3 used from $32.18
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through
  • Filtrete 1000 MPR (Microparticle Performance Rating) equates to MERV 11
  • 1000 and 1200 MPR also available in 4”, 4” slim fit and 5” air filters.Material: Synthetic
  • For optimal performance, change your home air filter at least every 90 days for 1” filters, and at least every 12 months for 4” and 5” filters.

MOOKA Air Purifier for Home, 3-in-1 True HEPA Filter Air Cleaner for Bedroom and Office, Odor Eliminator for Allergies and Pets, Smoke, Dust, Mold, 3D Filtration, Night Light

$44.99  in stock
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • [TRUE HEPA AIR PURIFIER]: Filters out particles as small as 0.3 microns including dust, pollen, pet dander, PM 2.5 and other air pollutants. Perfect for bedroom, bathroom, office, RV or hotel room.
  • [ENVIRONMENT-FRIENDLY AIR CLEANER]: Equipped with 3-Stage Filtration system including Pre-filter, TRUE HEPA Filter, Activated Carbon Filter, this purifier can effectively remove odor and smoke, such as pet odor, cigarette smoke and cooking odor around your living space, with zero harmful Ozone emission.
  • [EFFICIENT AIR PURIFICATION]: The 360-degree air intake and outlet maximize the amount of fresh and healthy air provided to all directions, improving the air circulation in your room. It can clean 50 cubic meter air per hour in normal mode.
  • [EASY OPERATE, SIMPLE DESIGN]: Using this air purifier couldn't be easier. It takes one single press of the same button to turn it on/off and control the fan speed, while press and hold the same button to switch on/off the light. The minimalist design makes it look elegant and sleek and fit any style of room decor.
  • [WHISPER QUIET, ENERGY-SAVING]: At quiet mode, the noise is controlled with our unique noise-reducing fan blade design. You will barely be able to hear it at arm's length. And its rated power is only 8W, making it affordable to run all day long.

Honeywell Home MicroDefense AC Furnace Air Filter 20 x 25 x 4 MERV 12 (1 pk)

$29.99
$23.95
 in stock
15 new from $23.95
1 used from $38.00
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Captures high percentage of house hold airborne particles, including microscopic particles you can't see
  • MERV 12 rating - up to 60x more efficient than a typical 1 inch fiberglass filter
  • Lasts up to 12 months
  • No time consuming assembly required
  • Filter size: 20x25x4

Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack

$38.70  in stock
3 new from $38.70
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Nominal Size: 20 x 25 x 4, Actual Size: 19 1/2 x 24 1/2 x 3 5/8 (19.5 x 24.5 x 3.63)
  • Attracts indoor allergens, dust, pollen and other airborne contaminants.
  • Hypoallergenic and pleated electrostatic filter material. Lead/Handling Time - 5
  • Nordic Pure recommends changing 4" air filters every 3-6 months
  • Proudly Made in the USA

hOmeLabs HEPA Filter Replacement - Fits HME020020N hOmeLabs 4-in-1 Compact Ionic HEPA Air Purifier

$17.99  in stock
3 new from $14.99
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Removes at least 99.97% of airborne particles 0.3 microns or larger. Ideal for removing pollen, small pet dander particles and dust from the air
  • Activated carbon filters remove odors from indoor and office environment like cigarette smoke, fireplace fumes, VOCs, pet odors and kitchen odors
  • Replacement filter lasts up to 700 hours and is specifically for use with hOme Ionic Air Purifier, a tabletop purifier for rooms up to 50 sq. ft in size
  • Pre filter for removal of large particles, HEPA filter for very small debris and activated carbon filters for odor removal
  • This is NOT the filter for the new hOmeLabs H13 Air Purifier. To purchase the filter for the H13 model, search "homelabs h13 hepa air purifier". (And if you bought this filter by mistake, don't worry! Contact our customer service team via Buyer Messaging and we'll get things sorted out 🙂

Honeywell Home AC Furnace Media Air Filter 16 x 20 x 4 MERV 11 (1 pk)

$34.27  in stock
14 new from $34.27
3 used from $21.71
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • New MERV 10 (at 492 FPM) performance with lower pressure drop at no additional cost!
  • Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2 1999!
  • Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large particles, E3=3.0 to 10.0 microns

Honeywell FC100A1029 16 x 25 Media Air Filter (MERV 11)

$106.15
$36.25
 in stock
15 new from $36.00
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Country of origin : United States
  • Model Number : FC100A1029
  • Package Weight : 2 pounds
  • Package Dimensions : 16.5" L x 25.5" W x 4.5" H

Hepa Air Purifier for Large Room, Amrobt Home Air Filter, H13 True HEPA, 4 Stage Filtration, Smart WiFi App Controlled Air Cleaner, Compatible with Alexa

$238.96
$199.99
 in stock
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • [ Medical Grade True HEPA 4-in 1 Filter System ] Amrobt HEPA air purifier filters 99.97% of particles down to 0.3 microns and 99.95% of particles between 0.3 – 0.1 microns.
  • [ Extra-Large Room Filter ] Recommended for extra-large rooms, purify up to 538 square feet rooms 3-times per hour.
  • [ Real-Time Air Quality Monitoring ] Built in a smart particle sensor, Amrobt could detect and display the air quality level, you could know your air quality via APP in real-time. Meanwhile cleaning speed mode (Auto, Medium or High) can be adjustable according to the air quality.
  • [ Smart Purification Intensity Auto-Control ] With built-in AQ sensor, Amrobt air purifier can automatically adjust the purification intensity to quickly purify air pollutants when needed, and save energy & being quiet when air quality is good.
  • [ Works with Alexa + Filter Replaceable ] Works with Alexa, 2H/4H/8H timing optional, children safety protection lock. Filter system service life can be learnt from "Smart Life" app anytime.

Honeywell Home 20x25x4 MERV 12, AC Furnace Air Filter, 3 PACK (CF200A1016-3PKAM) (Actual Dimensions: 18.84 x 24.75 x 4.38 in.)

$94.99
$89.99
 in stock
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • MERV 12 rating-up to 60x more efficient than typical 1" fiber glass filter.
  • Easily fits Aprilaire/Space-Gard models 2200 & 2253.
  • Captures high percentage of house hold airborne particles, including microscopic particles you can't see.
  • Actual Dimensions: 18.84 x 24.75 x 4.38 in.

Honeywell FC200E1029 16X25X4 Media Air Filter (MERV 13) 60 (Pack of 1)

$62.99
$51.16
 in stock
13 new from $51.16
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2 1999. Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large particles, E3=3.0 to 10.0 microns.
  • Fractional Efficiency: E1=63 percent, E2=90 percent, E3=97 percent
  • Minimum Efficiency Reporting Value (Media Filters Only): MERV 13
  • Static Pressure Drop (in. w.c.): 0.28 at 500 FPM

Nordic Pure 16x25x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack

$49.95
$42.02
 in stock
3 new from $39.99
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Actual Size: 15 1/2 x 24 1/2 x 3 5/8 (15. 5 x 24. 5 x 3. 63)
  • Attracts indoor allergens, dust, pollen and other airborne contaminants.
  • Hypoallergenic and pleated electrostatic filter material. Antimicrobial
  • Nordic Pure recommends changing 4" air filters every 3-6 months
  • Proudly Made in the USA

Aprilaire - 213 A4 213 Replacement Air Filter for Whole Home Air Purifiers, Healthy Home Allergy Filter, MERV 13 (Pack of 4)

$169.99  in stock
5 new from $169.99
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • BUY WITH CONFIDENCE This genuine Aprilaire 213 replacement air filter was designed and manufactured in the U.S.A. by Aprilaire – the leader in indoor air quality solutions to optimize the performance of your Aprilaire Air Purifier Model: 1210, 1620, 2210, 2216, 3210, 4200, Aprilaire or Space Gard 2200 with upgrade kit
  • CREATE A HEALTHIER HOME by preventing airborne allergens from circulating through the air in your home. The 213 Aprilaire replacement air filter removes airborne allergens as they pass through the MERV 13 filter including dust pollen, mold spores, bacteria, pet dander, and dust mites
  • BETTER PERFORMANCE thanks to the patented Aprilaire Self-Seal Technology which minimizes the amount of air bypassing the filter
  • EASY AS 1-2-3 TO INSTALL in the unique Aprilaire Interlock Rail System. Unpack. Slide in. Close the door. Done.
  • PROUD PARTNER OF AMERICAN LUNG ASSOCIATION Aprilaire’s mission is to enhance everyone’s health by improving the air in their homes

Honeywell 20x20x4 Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag (2 Pack)

$69.99  in stock
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Honeywell FC100A1011 20x20x4 Replacement Filter, Minimum Efficiency Reporting Value (MERV) 11
  • High efficiency media filter captures particles as small as 0.3 micron
  • Requires no maintenance except periodic (every 6-12 months), super easy, in-and-out media filter replacement.
  • Compatibility - This 4 inch air filter is designed to fit most 20x20x4 models including all Honeywell and many of Aprilaire, Space-Gard, and Trion Air Bear models
  • Homequip Filter Disposal Bag lets you dispose of your old filter properly

Nordic Pure 20x20x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack

$49.95
$43.28
 in stock
2 new from $43.28
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Actual Size: 19 1/2 x 19 1/2 x 3 5/8 (19. 5 x 19. 5 x 3. 63)
  • Attracts indoor allergens, dust, pollen and other airborne contaminants.
  • Hypoallergenic and pleated electrostatic filter material
  • Nordic Pure recommends changing 4" air filters every 3-6 months
  • Made in the U.S.A

Honeywell 20" X 25" X 4" FC200E1037 Air Filter Replacement - MERV 13

$64.40
$47.07
 in stock
18 new from $47.07
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Easy to install, long life and UL listed.
  • High efficiency charged media filter.
  • Replacement for Spacegard 2200 and Honeywell models.
  • Removes micron particles from the air.
  • Minimum Efficiency Reporting Value (Media Filters Only): MERV 13.

Honeywell FC100A1037 20"x25"x4" Merv 11 Filter Media,(Packaging may vary) Pack of 5

$132.46  in stock
8 new from $132.46
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Replacement media air cleaner filter
  • Helps remove small particles from the air
  • Meets industry safety standards
  • Measurements are 20 x 25 inches
  • Longevity (months)- 12

Vent Filters, Air Vent Filters for Home, 4" x12" (24 Pack), Electrostatically Charged Floor Vent Filters for Home, Wall Vent Filters, Ceiling Vent Filters.

$14.99  in stock
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • FEEL BETTER - ELECTROSTATIC MEDIA PREMIUM VENT FILTERS: Each Vent Filter is specifically engineered for 4x12 air vent filters for home use. Each air vent filter is made of premium 100% polyester electrostatic material . They are engineered as register filters and as an air duct filter, but can be used for many other DIY purposes. Keep your whole house fresher and reduce the amount of unhealthy air particles your breathe!
  • ELECTROSTATIC MEDIA PREMIUM VENT FILTERS: Each Vent Filter is specifically engineered for 4x12 air vent filters for home use. Each air vent filter is made of premium 100% polyester electrostatic material . They are engineered as register filters and as an air duct filter, but can be used for many other DIY purposes. Keep your whole house fresher and reduce the amount of unhealthy air particles your breathe!
  • SO MANY BENEFITS! BREATHE CLEANER AIR EVERY DAY! CLEAN LESS dust in your home every week! SAVE TIME Cleaning! SAVE MONEY by not having to clean your air ducts! ! Replace Furnace Filters less often by using these filters on your return air vent register. They are the perfect filter for air vents.
  • MULTI USE: Reduce the amount of air duct cleaning every year using these for any home vent filter, air duct vent filter and house air vent filter needs such as a ceiling vent filter, register vent filter, room vent filter, home vent filters, air conditioner vent filters / ac vent filter, filters for house vents, filters for heater vents, wall filter vent, floor vent filter, floor register filter, vent odor filter,
  • EASY INSTALLATION: To install remove the vent deflector and any air vent cover. Grab the vent register from the floor and pull up. Flip the vent register over and insert the filter between the grates and the vent. Reinstall the floor vent register with air filter and replace the air deflector.

Honeywell Home MicroDefense AC Furnace Air Filter 16 x 25 x 4 MERV 8 (2 pk) - CF408H1625

$49.99  in stock
1 used from $104.99
Free shipping
Amazon.com
as of April 14, 2022 2:53 pm

Features

  • Electro-statically charged fibers help capture airborne particles
  • Lasts up to 12 months under normal household conditions
  • No time consuming assembly required

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