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. 5 x 24. Nordic pure recommends changing 4" air filters every 3-6 months. 5 x 3. Hypoallergenic and pleated electrostatic filter material. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Attracts indoor allergens, dust, pollen and other airborne contaminants. 63. Proudly made in the USA.
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 - Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. Recommended use - recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air.

Dimensions - nominal size 20 x 25 x 4 inches / Actual Size 18. 838 x 24. 875 x 4. 375 inches. 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, pollen, bacteria, viruses, fungus, and spores.2

20x more effective than than typical 1-inch fiberglass filters. 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.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height4.38 Inches
Length24.88 Inches
Weight1 Pounds
Width18.84 Inches
Part NumberCF100A1025/U
Warranty1 Year Limited



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

AIRX FILTERS WICKED CLEAN AIR. #ad - Compare to 3m filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters. More pleats than most retail air filters - better energy efficiency and captures more particles. Merv 11 furnace filter premium pleated filter, actual size 19. 5" x 24. 5" x. 75". Traps mold, smoke particles, pet dander, pollen and dust mite debris for allergen protection. 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 - Rated ul class 2 by Underwriters Laboratories. Similar to the 3M Filtrete Dust & Pollen filter. 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


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

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

6. Medify Air


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

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

7. BestAir


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

BestAir #ad - Lasts up to 12 months & Proudly Made in the USA. Easy to install - just slide in and that's it! No lining up rails no awkward bending. 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, 2210, 213, 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, Smog, Dust Mite, Smoke, Dander, Bacteria, Pollen, Mold Spores, Virus Carriers, Odors.
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 - Trion air bear 255649-102 replacement Filter - 20x20x5. Single Filter. Merv 8 rated. Nominal dimensions: 20x25x5. Actual dimensions: 19 3/4 x 24 1/4 X 4 7/8.
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 - Also replaces honeywell fc100A1037, Lennox Healthy Climate X6673. Genuine, oem Clean Comfort brand filter. Replacement media for clean comfort air cleaner models AM11-2025-FB, AMB11-2025-45. Filter should be changed once or twice a year based on conditions within the home. Actual size: 20 3/4" x 24 3/4" x 4 3/8".
BrandClean Comfort #ad
ManufacturerClean Comfort #ad
Part NumberAMP-11-2025-45