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

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1. Nordic Pure


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

Nordic Pure #ad - Lead/handling Time - 5. 63. 5 x 3. Proudly made in the USA. Attracts indoor allergens, dust, pollen and other airborne contaminants. 5 x 24. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Hypoallergenic and pleated electrostatic filter material. 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)

2. Honeywell Home


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

Honeywell Home #ad - Easy installation - honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free. Merv 8 rating - get exceptional protection against dust, pollen, viruses, fungus, bacteria, and spores.

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. Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners.

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. Dimensions - nominal size 20 x 25 x 4 inches / Actual Size 18. 838 x 24. 875 x 4. 375 inches. 20x more effective than than typical 1-inch fiberglass filters.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height4.38 Inches
Length24.88 Inches
Weight1 Pounds
Width18.84 Inches
Part NumberCF100A1025/U
Warranty1 Year Limited



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

AIRX FILTERS WICKED CLEAN AIR. #ad - 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. 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.
ManufacturerAiRx #ad
Height0.75 Inches
Length19.5 Inches
Weight0.69 Pounds
Width24.5 Inches
Part NumberALLERGY-202501-6
Warranty1 year manufacturer

4. Tier1


Tier1 20x25x4 Merv 8 Pleated Dust & Pollen AC Furnace Air Filter 6 Pack

Tier1 #ad - Similar to the 3M Filtrete Dust & Pollen filter. Rated ul class 2 by Underwriters Laboratories. 30 times more efficient than ordinary fiberglass filters at capturing the smallest, most troublesome particles 3-10 microns in size. Doesn't promote the growth of bacteria, mold, mildew, or fungi so they're a great choice for families with small children.
BrandTier1 #ad
ManufacturerTier1 #ad
Height3.75 Inches
Length19.5 Inches
Weight30 Pounds
Width24.5 Inches
Part NumberP85S_642025_6_PACK

5. Flanders


20 x 25 x 1-Inch, MERV 4, 12-Pack, E-Z Flow Air Filter

Flanders #ad - Compatible with hvac systems requiring filters sized 20" x 25" x 1". Merv 4 rating: removes household dust, pollen, and lint. Each filter maintains efficiency for up to 30 days. Continuous chipboard design guards against corner separation while the one-sided metal media retainer adds to the filter strength. Pack of 12 disposable ul class II rated air filters designed for protection of furnace and central air units.
BrandFlanders #ad
ManufacturerFlanders Corporation #ad
Height25 Inches
Length20 Inches
Weight6.5 Pounds
Width1 Inches
Part Number10155.012025

6. Medify Air


Medify MA-15 Air Purifier with H13 HEPA filter, White 1Pack, a higher grade of HEPA | NEW MODEL JULY 2020 | '3-in-1' Filters | 99.9% removal in a Modern Design

Medify Air #ad - Cadr of 150 | cleans up to 330 sq. In 30 minutes | perfect for Offices, Dorms, Bedroom, Baby Nurseries.110 volt units, uSA registered Lifetime Warranty. A higher grade of hepa - h13 filters higher rated than True HEPA 99. 9% particle removal. Filter replacement indicator | Replacement Filter ASIN B089CNPW7D. Ft. 3 fans speeds | child Safety Lock | Timer.
BrandMedify Air #ad
ManufacturerMedify Air #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part NumberMA-15-W1

7. BestAir


Removes Allergens & Contaminants, Fits 100%, BestAir SG213-BOX-13R AC Furnace Air Filter, For Aprilaire/SpaceGard Models, MERV 13, 20" x 25" x 4"

BestAir #ad - Hypoallergenic, micro free electrostatic deep pleated media to optimize particulate capture rate and minimize pressure drop on your HVAC system. Fits: aprilaire space gard 4200, 213, 2210, and the following models with upgrade kits #1213: 2200 & 2120; includes cardboard frame. Merv 13 removes 99% of particles up to 10 microns: dust/lint, Smoke, Mold Spores, Smog, Virus Carriers, Dust Mite, Dander, Pollen, Bacteria, Odors. Easy to install - just slide in and that's it! No lining up rails no awkward bending. Lasts up to 12 months & Proudly Made in the USA.
BrandBestAir #ad
ManufacturerRPS Products #ad
Height24 Inches
Length4 Inches
Weight1.8 Pounds
Width19 Inches
Part NumberSG213-BOX-13R

8. Air Bear


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

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

9. Clean Comfort


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

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