Top 10 Filters 20x25x4 – 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 - Attracts indoor allergens, dust, pollen and other airborne contaminants. 5 x 3. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Lead/handling Time - 5. 63. 5 x 24. 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
Weight3.52 Pounds
Width3.63 Inches
Part Number20x25x4M12-2
Model20x25x4 (3 5/8)

2. Filtrete

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Healthy Living Ultra Allergen Deep Pleat, Filtrete 20x25x4, AC Furnace Air Filter, 2-Pack actual 19.88 x 24.43 x 4.31, NDP03-4IN-2P-2, MPR 1550 DP

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Filtrete #ad - Certified as asthma & allergy friendly As outlined in report ASCR: 1246-01. Home air filters for your furnace, air conditioner or HVAC system. Attracts and captures microscopic particles such as smoke, bacteria and viruses - and large particles, including lint, cough and sneeze debris, household dust and pollen.

Find your size: 1550 mpr available in 4 in. 4 in. Sign-up for a filter change reminder program that works for you! For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1in. Slim fit and 5 in. 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. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.

Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Filters, and at least every 12 months for 4in. 54% small particle capture, like bacteria and particles that carry viruses % captured is based on ASHRAE 52. 2 testing for 03 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height19.88 Inches
Length24.63 Inches
Weight2.63 Pounds
Width4.31 Inches
Part NumberNDP03-4IN-2P-2
ModelNDP03-4IN-2P-2
WarrantyLimited Warranty

3. Filtrete

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AC Furnace Air Filter, 2-Pack exact dimensions 19.88 x 24.56 x 4.2, MPR 1000 DP, Filtrete 20x25x4, Micro Allergen Defense Deep Pleat

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Filtrete #ad - 1000 and 1200 mpr also available in 4”, 4” slim fit and 5” air filters. Material: Synthetic. Sign-up for a filter change reminder program that works for you! Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system.

A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through. Filtrete 1000 mpr microparticle Performance Rating equates to MERV 11.

For residential use only. The higher the mpr, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it. For optimal performance, change your home air filter at least every 90 days for 1” filters, and at least every 12 months for 4” and 5” filters.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height25 Inches
Length4 Inches
Width20 Inches
Part NumberNADP03-2PK-2
ModelNADP03-2PK-2
WarrantyAS LISTED

4. Aerostar

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Aerostar Clean House 20x25x4 MERV 8 Pleated Air Filter, Made in the USA, Actual Size: 19 1/2"x24 1/2"x3 3/4", 6-Pack

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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. 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.

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. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home.

High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. 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. Check your fit - nominal size: 20x25x4; actual size: 19 1/2"x24 1/2"x3 3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Height4 Inches
Length20 Inches
Weight11.02 Pounds
Width25 Inches
Part Number20x25x4 MERV 8
Model20x25x4 MERV 8

5. FilterBuy

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FilterBuy 20x25x4 MERV 8 Pleated AC Furnace Air Filter, 20x25x4 – Silver, Pack of 2 Filters, Actual size 19 3/8" x 24 3/8" x 3 5/8"

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FilterBuy #ad - Check your size. Say hello to better indoor air quality! High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.

Traps 90% of airborne particles: say goodbye to dust, lint, debris, pollen, and pet dander. Synthetic media provides significantly higher particulate efficiency than standard cotton media. 20x25x4 merv 8 pleated air filter for ac hvac or furnace Pack of 2 Filters. Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. Ideal for residential and commercial use. Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". Long-lasting: designed to last up to 3 months. Afb silver merv 8, comparable with mPR 300 / 600 clean living and dust & pollen.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height7.25 Inches
Length19.38 Inches
Width24.38 Inches
Part NumberAFB20x25x4M8pk2
ModelAFB20x25x4M8pk2

6. FilterBuy

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Pack of 4 Filters, FilterBuy 20x25x4 MERV 13 Pleated AC Furnace Air Filter, Actual size 19 3/8" x 24 3/8" x 3 5/8", 20x25x4 – Platinum

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FilterBuy #ad - Hospital grade merv 13 synthetic media: attracts and captures airborne particles or allergens less than one micron in size such as pollen, pet dander. Made in the usa: manufactured by FilterBuy in the USA using 100% American made components.

Check your size. Synthetic media provides significantly higher particulate efficiency than standard cotton media. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F. Long-lasting: designed to last up to 3 months. Suitable for residential and business or commercial use Industrial grade.

Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". 20x25x4 merv 13 pleated air filter for ac hvac or furnace pack of 4 filters. Afb platinum merv 13, comparable with mpr 1500 to 1900 Ultimate Allergen Defense or Allergen Elite FPR 10 Also captures bacteria, viruses carrying particles, fine dust, mold spores and smoke.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height7.15 Inches
Length19.38 Inches
Width24.38 Inches
Part NumberAFB20x25x4M13pk4
ModelAFB20x25x4M13pk4

7. Honeywell

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Honeywell FC100A1037 20"x25"x4" Merv 11 Filter Media,Packaging may vary Pack of 5

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Honeywell #ad - Longevity months- 12. Helps remove small particles from the air. Replacement media air cleaner filter. Measurements are 20 x 25 inches. Meets industry safety standards.
BrandHoneywell #ad
ManufacturerPark Supply of America #ad
Height24.7 Inches
Length19.9 Inches
Width4.3 Inches
Part NumberFC100A1037
ModelFC100A1037

8. Glasfloss

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Glasfloss ZL 20x25x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 24-1/2 x 3-3/4

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Glasfloss #ad - Durable and sturdy galvanized metal backing. Electrostatic air filter captures dust, pet dander, dust-mite debris, pollen, and smog. Actual size: 19. 5” x 24. 5” x 3. 75” | nominal size: 20 x 25 x 4. Merv 10 efficiency with merv 8 air Flow. 25" w. C. Made in the USA.
BrandGlasfloss #ad
ManufacturerGlasfloss Industries #ad
Height4 Inches
Length20 Inches
Weight100 Kilograms
Width25 Inches
Part Numberzl16244m10

9. Filtrete

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AC Furnace Air Filter, MPR 1500, Filtrete 20x25x1, Healthy Living Ultra Allergen, 2-Pack exact dimensions 19.719 x 24.688 x 0.78

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Filtrete #ad - Slim fit and 5 in. Home air filters for your furnace, air conditioner or HVAC system. 1500 mpr has a rating of MERV 12. Sign-up for a filter change reminder program that works for you! Designed with filtrete brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through.

For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1in. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. Filters. Find your size: 1500 mpr available in 4 in. 4 in. Captures microscopic particles including: smoke, bacteria, and large particles like lint, viruses, cough/sneeze debris, dust and pollen.54% small particle capture, like bacteria and particles that carry viruses % captured is based on ASHRAE 52.

2 testing for 03 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. Attracts and captures microscopic particles such as smoke, cough and sneeze debris, including lint, bacteria and viruses--and large particles, household dust and pollen. Lasts up to 3 months. The higher the mpr, smoke, the more microparticles--such as pollen, pet dander, bacteria and viruses--your filter will capture from the air passing through it.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height1 Inches
Length25 Inches
Weight1.45 Pounds
Width20 Inches
Part NumberUR03-2PK-6E
ModelUR03-2PK-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.

10. FilterBuy

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Pack of 2 Filters, Actual size 19 3/8" x 24 3/8" x 3 5/8", FilterBuy 20x25x4 MERV 13 Pleated AC Furnace Air Filter, 20x25x4 – Platinum

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FilterBuy #ad - Long-lasting: designed to last up to 3 months. Synthetic media provides significantly higher particulate efficiency than standard cotton media. Afb platinum merv 13, comparable with mpr 1500 to 1900 Ultimate Allergen Defense or Allergen Elite FPR 10 Made in the usa: manufactured by FilterBuy in the USA using 100% American made components.

Hospital grade merv 13 synthetic media: attracts and captures airborne particles or allergens less than one micron in size such as pollen, fine dust, viruses carrying particles, pet dander. Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8".

Check your size. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F. 20x25x4 merv 13 pleated air filter for ac hvac or furnace pack of 2 filters. Suitable for residential and business or commercial use Industrial grade. Also captures bacteria, mold spores and smoke.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height7.25 Inches
Length19.38 Inches
Width24.38 Inches
Part NumberAFB20x25x4M13pk2
ModelAFB20x25x4M13pk2