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

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1. Nordic Pure

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

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

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

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

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. 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
ModelCF100A1025/U
Warranty1 Year Limited

3. AIRX FILTERS WICKED CLEAN AIR.

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

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

4. Tier1

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

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

5. Flanders

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

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Flanders #ad - Each filter maintains efficiency for up to 30 days. Merv 4 rating: removes household dust, pollen, and lint. Compatible with hvac systems requiring filters sized 20" x 25" x 1". Pack of 12 disposable ul class II rated air filters designed for protection of furnace and central air units. 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
Model10155.012025

6. Medify Air

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

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

7. BestAir

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

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BestAir #ad - Fits: aprilaire space gard 4200, 213, 2210, and the following models with upgrade kits #1213: 2200 & 2120; includes cardboard frame. 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. Merv 13 removes 99% of particles up to 10 microns: dust/lint, Smog, Dander, Mold Spores, Bacteria, Pollen, Dust Mite, Smoke, Virus Carriers, Odors. Hypoallergenic, micro free electrostatic deep pleated media to optimize particulate capture rate and minimize pressure drop on your HVAC system.
BrandBestAir #ad
ManufacturerRPS Products #ad
Height24 Inches
Length4 Inches
Weight1.8 Pounds
Width19 Inches
Part NumberSG213-BOX-13R
ModelSG213-BOX-13R

8. Air Bear

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

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Air Bear #ad - Single Filter. Merv 8 rated. Nominal dimensions: 20x25x5. Actual dimensions: 19 3/4 x 24 1/4 X 4 7/8. Trion air bear 255649-102 replacement Filter - 20x20x5.
BrandAir Bear #ad
ManufacturerAir Bear #ad
Height4.78 Inches
Length19.75 Inches
Width24.25 Inches
Part Number255649-102
Model255649-102

9. Clean Comfort

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

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Clean Comfort #ad - Actual size: 20 3/4" x 24 3/4" x 4 3/8". 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. Also replaces honeywell fc100A1037, Lennox Healthy Climate X6673. Genuine, oem Clean Comfort brand filter.
BrandClean Comfort #ad
ManufacturerClean Comfort #ad
Part NumberAMP-11-2025-45