Top 10 20x25x4 Filter – Home Air Purifier Parts & Accessories
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Find your size: 1550 mpr available in 4 in. 4 in. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy.
Certified as asthma & allergy friendly As outlined in report ASCR: 1246-01. Slim fit and 5 in. Thick air filters. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Filters. And 5in. Filters, and at least every 12 months for 4in.

High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. 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.
Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home.

Merv 12 rating-up to 60x more efficient than typical 1" fiber glass filter. Exceeds honeywell FC100A1037 specifications.

Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, pet dander, pollen, dust mites, mold spores, and dust. 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. 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.

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.
Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. Merv 8 rating - get exceptional protection against dust, viruses, fungus, pollen, bacteria, and spores. Long lasting filtration - Lasts up to 12 months without losing quality over time.

Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. Say hello to better indoor air quality! Afb silver merv 8, comparable with mPR 300 / 600 clean living and dust & pollen.

Afb platinum merv 13, comparable with mpr 1500 to 1900 Ultimate Allergen Defense or Allergen Elite FPR 10 Synthetic media provides significantly higher particulate efficiency than standard cotton media.
Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.

Hospital grade merv 13 synthetic media: attracts and captures airborne particles or allergens less than one micron in size such as pollen, viruses carrying particles, pet dander.
Long-lasting: designed to last up to 3 months. Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". Synthetic media provides significantly higher particulate efficiency than standard cotton media. Also captures bacteria, fine dust, mold spores and smoke.

1000 and 1200 mpr also available in 4”, 4” slim fit and 5” air filters. Material: Synthetic. For residential use only. Sign-up for a filter change reminder program that works for you! 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.
A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. 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.
1. Nordic Pure
#ad
Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack
#adNordic Pure #ad - Attracts indoor allergens, dust, pollen and other airborne contaminants. 63. 5 x 24. Proudly made in the USA. Nordic pure recommends changing 4" air filters every 3-6 months.More information #ad
Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. 5 x 3. Hypoallergenic and pleated electrostatic filter material. Lead/handling Time - 5.Brand | Nordic Pure #ad |
Manufacturer | Nordic Pure #ad |
Height | 19.5 Inches |
Length | 24.5 Inches |
Weight | 3.52 Pounds |
Width | 3.63 Inches |
Part Number | 20x25x4M12-2 |
Model | 20x25x4 (3 5/8) |
More information #ad
2. Filtrete
#ad
Filtrete 20x25x4SlimFit, AC Furnace Air Filter, 2-Pack exact dimensions 19.88 x 24.63 x 4.2, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat
#adFiltrete #ad - The higher the mpr, the more microparticles - such as pollen, smoke, pet dander, bacteria and viruses - your filter will capture from the air passing through it.1550 mpr has a rating of MERV 12. 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. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy.
More information #ad
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. Certified as asthma & allergy friendly As outlined in report ASCR: 1246-01. Slim fit and 5 in. Thick air filters. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Filters. And 5in. Filters, and at least every 12 months for 4in.
Brand | Filtrete #ad |
Manufacturer | Filtrete #ad |
Height | 19.88 Inches |
Length | 24.63 Inches |
Weight | 2.38 Pounds |
Width | 4.31 Inches |
Part Number | NDP03-4S-2P-2 |
Model | MPR 1550 DP |
Warranty | Limited Warranty |
More information #ad
3. Aerostar
#ad
Made in the USA, Aerostar Clean House 20x25x4 MERV 8 Pleated Air Filter, Actual Size: 19 1/2"x24 1/2"x3 3/4", 6-Pack
#adAerostar #ad - 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. 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.High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. 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.
More information #ad
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. Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home.
Brand | Aerostar #ad |
Manufacturer | Filtration Group (Environmental Air) #ad |
Height | 4 Inches |
Length | 20 Inches |
Weight | 11.02 Pounds |
Width | 25 Inches |
Part Number | 20x25x4 MERV 8 |
Model | 20x25x4 MERV 8 |
More information #ad
4. Honeywell Home
#ad
20x25x4, Merv 12, Honeywell Home Air Filter Ultra Efficiency CF200A1016/E
#adHoneywell Home #ad - Captures high percentage of house hold airborne particles, including microscopic particles you can't see. Captures high percentage of house hold airborne particles, including microscopic particles you can't see.Merv 12 rating-up to 60x more efficient than typical 1" fiber glass filter. Exceeds honeywell FC100A1037 specifications.
More information #ad
Actual dimensions: 19. 90 x 24. 75 x 4. 38 in. Merv 12 rating-up to 60x more efficient than typical 1" fiber glass filter. Easily fits aprilaire/Space-Gard models 2200 & 2253. Easily fits aprilaire/Space-Gard models 2200 & 2253. Lasts up to 12 months. No time consuming assembly required.Brand | Honeywell Home #ad |
Manufacturer | Honeywell #ad |
Height | 20 Inches |
Length | 25 Inches |
Width | 4.5 Inches |
Part Number | CF200A1016 |
Model | CF200A1016 |
Warranty | 1 Year Limited |
More information #ad
5. Aerostar
#ad
Made in the USA, Aerostar Allergen & Pet Dander 20x25x4 MERV 11 Pleated Air Filter, Actual Size: 19 1/2"x24 1/2"x3 3/4", 6-Pack
#adAerostar #ad - 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. 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, pet dander, pollen, dust mites, mold spores, and dust. 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.
More information #ad
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. 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.
Brand | Aerostar #ad |
Manufacturer | Filtration Group (Environmental Air) #ad |
Height | 4 Inches |
Length | 20 Inches |
Width | 25 Inches |
Part Number | 20x25x4 MERV 11 |
Model | 20x25x4 MERV 11 |
More information #ad
6. Honeywell Home
#ad
MERV 8 Rating, CF100A1025, Honeywell Home 4-Inch High Efficiency Air Cleaner Filter
#adHoneywell Home #ad - 20x more effective than than typical 1-inch fiberglass filters. Recommended use - recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air.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.
More information #ad
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. Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. Merv 8 rating - get exceptional protection against dust, viruses, fungus, pollen, bacteria, and spores. Long lasting filtration - Lasts up to 12 months without losing quality over time.
Brand | Honeywell Home #ad |
Manufacturer | Honeywell #ad |
Height | 4.38 Inches |
Length | 24.88 Inches |
Weight | 1 Pounds |
Width | 18.84 Inches |
Part Number | CF100A1025/U |
Model | CF100A1025/U |
Warranty | 1 Year Limited |
More information #ad
7. FilterBuy
#ad
20x25x4 – Silver, FilterBuy 20x25x4 MERV 8 Pleated AC Furnace Air Filter, Pack of 2 Filters, Actual size 19 3/8" x 24 3/8" x 3 5/8"
#adFilterBuy #ad - Long-lasting: designed to last up to 3 months. 20x25x4 merv 8 pleated air filter for ac hvac or furnace Pack of 2 Filters. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. Say hello to better indoor air quality! Afb silver merv 8, comparable with mPR 300 / 600 clean living and dust & pollen.
More information #ad
Ideal for residential and commercial use. Traps 90% of airborne particles: say goodbye to dust, pollen, debris, lint, and pet dander. Synthetic media provides significantly higher particulate efficiency than standard cotton media. Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". Check your size.Brand | FilterBuy #ad |
Manufacturer | FilterBuy #ad |
Height | 7.25 Inches |
Length | 19.38 Inches |
Width | 24.38 Inches |
Part Number | AFB20x25x4M8pk2 |
Model | AFB20x25x4M8pk2 |
More information #ad
8. FilterBuy
#ad
Pack of 4 Filters, 20x25x4 – Platinum, Actual size 19 3/8" x 24 3/8" x 3 5/8", FilterBuy 20x25x4 MERV 13 Pleated AC Furnace Air Filter
#adFilterBuy #ad - 20x25x4 merv 13 pleated air filter for ac hvac or furnace pack of 4 filters. Suitable for residential and business or commercial use Industrial grade. Long-lasting: designed to last up to 3 months.Afb platinum merv 13, comparable with mpr 1500 to 1900 Ultimate Allergen Defense or Allergen Elite FPR 10 Synthetic media provides significantly higher particulate efficiency than standard cotton media.
More information #ad
Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". Also captures bacteria, mold spores and smoke. Check your size. Hospital grade merv 13 synthetic media: attracts and captures airborne particles or allergens less than one micron in size such as pollen, viruses carrying particles, fine dust, pet dander. Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.
Brand | FilterBuy #ad |
Manufacturer | FilterBuy #ad |
Height | 7.15 Inches |
Length | 19.38 Inches |
Width | 24.38 Inches |
Part Number | AFB20x25x4M13pk4 |
Model | AFB20x25x4M13pk4 |
More information #ad
9. FilterBuy
#ad
Actual size 19 3/8" x 24 3/8" x 3 5/8", Pack of 2 Filters, FilterBuy 20x25x4 MERV 13 Pleated AC Furnace Air Filter, 20x25x4 – Platinum
#adFilterBuy #ad - Suitable for residential and business or commercial use Industrial grade. Afb platinum merv 13, comparable with mpr 1500 to 1900 Ultimate Allergen Defense or Allergen Elite FPR 10 Check your size.Hospital grade merv 13 synthetic media: attracts and captures airborne particles or allergens less than one micron in size such as pollen, viruses carrying particles, pet dander.
More information #ad
Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. 20x25x4 merv 13 pleated air filter for ac hvac or furnace pack of 2 filters. 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. Nominal size 20x25x4, actual size: 19 3/8" x 24 3/8" x 3 5/8". Synthetic media provides significantly higher particulate efficiency than standard cotton media. Also captures bacteria, fine dust, mold spores and smoke.
Brand | FilterBuy #ad |
Manufacturer | FilterBuy #ad |
Height | 7.25 Inches |
Length | 19.38 Inches |
Width | 24.38 Inches |
Part Number | AFB20x25x4M13pk2 |
Model | AFB20x25x4M13pk2 |
More information #ad
10. Filtrete
#ad
2-Pack exact dimensions 19.88 x 24.56 x 4.2, AC Furnace Air Filter, Filtrete 20x25x4, MPR 1000 DP, Micro Allergen Defense Deep Pleat
#adFiltrete #ad - Filtrete 1000 mpr microparticle Performance Rating equates to MERV 11. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system.1000 and 1200 mpr also available in 4”, 4” slim fit and 5” air filters. Material: Synthetic. For residential use only. Sign-up for a filter change reminder program that works for you! 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.
More information #ad
Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. 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.
Brand | Filtrete #ad |
Manufacturer | Filtrete #ad |
Height | 25 Inches |
Length | 4 Inches |
Width | 20 Inches |
Part Number | NADP03-2PK-2 |
Model | NADP03-2PK-2 |
Warranty | AS LISTED |
More information #ad