Top 9 20x25x4 Air Filter MERV 11 – Home Air Purifier Parts & Accessories

As an Amazon Associate I earn from qualifying purchases.

1. Nordic Pure


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

Nordic Pure #ad - Lead/handling Time - 5. 5 x 3. Attracts indoor allergens, dust, pollen and other airborne contaminants. 5 x 24. 63. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Hypoallergenic and pleated electrostatic filter material. Proudly made in the USA. Nordic pure recommends changing 4" air filters every 3-6 months.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height19.5 Inches
Length24.5 Inches
Width3.63 Inches
Part Number20x25x4M12-2
Model20x25x4 (3 5/8)



AIRx ALLERGY 20x25x1 MERV 11 Pleated Air Filter, Made in the USA, Box of 6

AIRX FILTERS WICKED CLEAN AIR. #ad - Compare to 3m filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters. Merv 11 furnace filter premium pleated filter, actual size 19. 5" x 24. 5" x. 75". Made in USA. Traps mold, smoke particles, pet dander, pollen and dust mite debris for allergen protection. More pleats than most retail air filters - better energy efficiency and captures more particles.
ManufacturerAiRx #ad
Height0.75 Inches
Length19.5 Inches
Weight0.69 Pounds
Width24.5 Inches
Part NumberALLERGY-202501-6
Warranty1 year manufacturer

3. Honeywell Home


MERV 8 Rating, Honeywell Home 4-Inch High Efficiency Air Cleaner Filter, CF100A1025

Honeywell Home #ad - Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. 20x more effective than than typical 1-inch fiberglass filters.

Dimensions - nominal size 20 x 25 x 4 inches / Actual Size 18. 838 x 24. 875 x 4. 375 inches. Merv 8 rating - get exceptional protection against dust, bacteria, fungus, viruses, pollen, and spores. 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.

Easy installation - honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free. Long lasting filtration - Lasts up to 12 months without losing quality over time. Recommended use - recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height4.38 Inches
Length24.88 Inches
Weight1 Pounds
Width18.84 Inches
Part NumberCF100A1025/U
Warranty1 Year Limited

4. Clean Comfort


MERV 11, Clean Comfort AMP-11-2025-45 1-Pack, 20" x 25" x 4.5" Media Air Filter

Clean Comfort #ad - Replacement media for clean comfort air cleaner models AM11-2025-FB, AMB11-2025-45. Also replaces honeywell fc100A1037, Lennox Healthy Climate X6673. Genuine, oem Clean Comfort brand filter. Actual size: 20 3/4" x 24 3/4" x 4 3/8". Filter should be changed once or twice a year based on conditions within the home.
BrandClean Comfort #ad
ManufacturerClean Comfort #ad
Part NumberAMP-11-2025-45

5. Honeywell Home


MERV 11, Honeywell FC100A1003 16" X 20" Media Air Filter

Honeywell Home #ad - 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=03 to 1. 0 microns; medium particles, E2=1. 0 to 3. 0 microns; and large particles, E3=3. 0 to 100 microns.
BrandHoneywell Home #ad
ManufacturerHoneywell Home #ad
Height20 Inches
Length16 Inches
Weight1 Pounds
Width5 Inches
Part NumberFC100A1003
Warranty1 Year Limited

6. Nordic Pure


Nordic Pure 20x20x5 MERV 12 Honeywell/Lennox Replacement AC Furnace Air Filters 2 Pack

Nordic Pure #ad - Nominal size: 20 x 20 x 5 h, actual size: 19 5/8 x 19 7/8 x 4 3/8 19. 63 x 19. 88 x 4. 38. Made in the USA! Hypoallergenic and antimicrobial pleated electrostatic filter material. Nordic pure recommends changing 5" air filters every 3-6 months. Attracts indoor allergens, dust, pollen and other airborne contaminants.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height20 Inches
Length20 Inches
Weight7.6 Pounds
Width5 Inches
Part Number20x20x5HM12-2

7. BestAir


GeneralAire, BestAir AB2025 Cleaning Furnace Filter, Supreme, 20" x 25" x 5", MERV 11, Source1, Ultravation & Braeburn Models, Skuttle, For Trion Air Bear

BestAir #ad - Filters out unwanted particles including dust lint, mold particles, bacteria, pollen, and virus carriers while allowing cleaner air to flow through.

Minimum efficiency reporting value MERV of 11; generating better filtration and fewer particles and contaminants that pass through the filter. 3 to 10 Designed to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs to your HVAC system. Using our best tech and design, the bestair furnace filter is manufactured to trap up to 95% of Airborne Particles from 00 microns; this model is 25-30% more efficient when capturing large household particles passing through the filter than a standard 1" fiberglass filter.
BrandBestAir #ad
ManufacturerBestAir #ad
Height24.25 Inches
Length20 Inches
Weight2.3 Pounds
Width4.88 Inches
Part NumberAB2025-11R

8. Air Bear


20x25x5 by Trion, Trion Air Bear 255649-102 Replacement Filter

Air Bear #ad - Trion air bear 255649-102 replacement Filter - 20x20x5. Nominal dimensions: 20x25x5. Single Filter. Actual dimensions: 19 3/4 x 24 1/4 X 4 7/8. Merv 8 rated.
BrandAir Bear #ad
ManufacturerAir Bear #ad
Height4.78 Inches
Length19.75 Inches
Width24.25 Inches
Part Number255649-102

9. Filtrete


Micro Allergen Defense, 2-Pack exact dimensions 19.719 x 19.719 x 0.84, Filtrete 20x20x1, AC Furnace Air Filter, MPR 1000

Filtrete #ad - Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy.

Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Home air filters for your furnace, air conditioner or HVAC system. Slim fit and 5in. The higher the mpr, pet dander, the more microparticles--such as pollen, smoke, bacteria and viruses--your filter will capture from the air passing through it. When the lifespan is up, you’ll get a notification to change your filter.

Attracts and captures particles such as lint, dust, pollen, pet dander, smoke and smog.1000 mpr has a rating of MERV 11. Filters. For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1 in. Sign-up for a filter change reminder program that works for you! For residential use only. And 5 in. Filters, and at least every 12 months for 4 in.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height2.5 Inches
Length20.38 Inches
Weight1.15 Pounds
Width21 Inches
Part NumberAD02-2PK-1E
WarrantyThis 3M product will be free from defects in material and manufacture. If this 3M product is defective, your exclusive remedy shall be, at 3M's option, replacement of the 3M product or refund of the purchase price of the 3M product. This warranty gives you specific legal rights, and you may have other rights which may vary from state to state, or country to country. To obtain warranty service, contact 3M at the address listed on the product package.