Top 9 Furnace Filters 20x25x4 – Home Air Purifier Parts & Accessories

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1. Aerostar

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Actual Size: 19 1/2"x24 1/2"x3 3/4", 6-Pack, Aerostar Allergen & Pet Dander 20x25x4 MERV 11 Pleated Air Filter, Made in the USA

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Aerostar #ad - High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms.

Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home. Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

Check your fit - nominal size: 20x25x4; actual size: 19 1/2"x24 1/2"x3 3/4"; this MERV 11 filter is comparable with MPR 1000-1200 & FPR 7. Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, pet dander, pollen, mold spores, dust mites, and dust.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Weight13.76 Pounds
Part Number20x25x4 MERV 11
Model20x25x4 MERV 11

2. 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 - Traps mold, smoke particles, pet dander, pollen and dust mite debris for allergen protection. 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". Made in USA.
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

3. Aerostar

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Made in the USA, Aerostar Home Max 20x25x4 MERV 13 Pleated Air Filter, 6-Pack, Captures Virus Particles, Actual Size: 19 1/2"x24 1/2"x3 3/4"

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Aerostar #ad - Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications.

Check your fit - nominal size: 20x25x4; actual size: 19 1/2"x24 1/2"x3 3/4"; this MERV 13 filter is comparable with MPR 1500-1900 & FPR 10 . Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, mold spores, dust mites, pollen, pet dander, and dust.

Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Part Number20x25x4 MERV 13
Model20x25x4 MERV 13

4. Honeywell Home

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

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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
ModelFC100A1003
Warranty1 Year Limited

5. Carrier

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Carrier / Bryant EXPXXFIL0020 20" X 25" X 5" MERV 10 EZ Flex Air Filter

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Carrier #ad - End caps not included. Merv 10 rated. 20 x 25 expandable filter. Easy to assemble. Fits many manufacturers.
BrandCarrier #ad
ManufacturerComfort Products #ad
Height5 Inches
Length25 Inches
Weight2 Pounds
Width5 Inches
Part NumberEXPXXFIL0020
ModelEXPXXFIL0020

6. Trion

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20x25x5, Trion Air Bear 259112-102 MERV 11 Filters 3-Pk

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Trion #ad - 3 pack of a genuine Trion OEM filter. Tamaño nominal: 20" x 25" x 5". Actual size: 24 1/4” x 19 3/4” x 4 7/8”. Nominal size: 20" x 25" x 5". 3 pack of a genuine Trion OEM filter. 3 pack de un verdadero Trion OEM filtro. This is not a replacement for a Lennox furnace filter. 3 pack of a genuine Trion OEM filter. 3 pack of a genuine Trion OEM filter. Merv 11 filtration. 3 pack of a genuine Trion OEM filter.
BrandTrion #ad
ManufacturerTrion #ad
Height20 Inches
Length25 Inches
Weight5 Pounds
Width5 Inches
Part NumberAIR-BEAR-259112-102
ModelAIR-BEAR-259112-102

7. Tier1

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

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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

8. Bryant/Carrier

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Bryant/Carrier EZ-FLEX Filter Media expxxfil0020

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Bryant/Carrier #ad - Bryant / carrier mERV 10 Original Filter. Nominal size 20 x 25 x 5. Merv 10 End caps Not Included. Actual size 19 3/4 x 24 3/4 x 4 3/8.
BrandBryant/Carrier #ad
ManufacturerBryant/Carrier #ad
Height6 Inches
Length26 Inches
Width6 Inches
Part NumberFBA_EXPXXFIL0020
ModelFBA_EXPXXFIL0020

9. Air Bear

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Trion Air Bear Filter 259112-103 MERV 11 20x20x5" 2-pack

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Air Bear #ad - Merv 11 filtration. This is not a replacement for a Lennox furnace filter. 2 pack of a genuine Trion OEM filter. Actual: 20 11/16" x 19 3/4" x 5". Nominal: 20" x 20" x 5".
BrandAir Bear #ad
ManufacturerAir Bear #ad
Weight0 Pounds
Part Number259112-103