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20x more effective than typical 1-inch fiberglass filters. 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 models: honeywell f25 #203720, hcf20-16, filcccar0020, hcf20-10, hcc20-28, x6673, filxxcar0120, expxxfil0020, f200 #fc200e1037, x7751, day & night macpak20, bmac-20c, carrier carf8250602, f100 / f150 #fc100a1037, x5426, filxxcar0120, expxxlmc0020, x0586, f35 / f35r #fc35a1027, filxxcar0020, carl86469, filxxcar0020, lennox x8790, X6661, expxxunv0020, bryant filbbcar0020, carfc100a1037, Payne MACPAK20.
Industrial-grade beverage board recyclable frames with dual wire backings outperform standard cardboard designs. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.


20x25x4 replacement air filters for your furnace, heat pump, air conditioner, or HVAC system actual size: 19.3



Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.



1. Honeywell Home
#ad
Honeywell Home 20x25x4 MERV 8, 3 PACK CF100A1025-3PKAM Actual Dimensions: 19.94 x 24.87 x 4.38 in., AC Furnace Air Filter
#adHoneywell Home #ad - 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.20x more effective than typical 1-inch fiberglass filters. 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
Merv 8 rating - get exceptional protection against dust, fungus, pollen, viruses, bacteria, and spores. Actual Dimensions: 19. 94 x 24. 87 x 4. 38 in. Long lasting filtration - Lasts up to 12 months without losing quality over time.Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 20 Inches |
Length | 25 Inches |
Width | 4.38 Inches |
Part Number | CF100A1025-3PK/SIOC |
Model | CF100A1025-3PKAM |
Warranty | 1 Year Limited |
More information #ad
2. Filterbuy
#ad
Bryant, Day & Night, Lennox X6673, Pleated Replacement HVAC AC Furnace Filters for Honeywell FC100A1037 / FC200E1037, Filterbuy 20x25x5 Air Filter MERV 8 4-Pack, and Payne Actual Size: 19.88" x 24.75" x 4.38", Carrier EXPXXFIL0020
#adFilterbuy #ad - 20x25x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system actual size: 19.88 x 24. 75 x 4. 38 inches. Electrostatically charged, pleated 100% US made filters capture more harmful particles and last 3x longer than fiberglass models.Compatible models: honeywell f25 #203720, hcf20-16, filcccar0020, hcf20-10, hcc20-28, x6673, filxxcar0120, expxxfil0020, f200 #fc200e1037, x7751, day & night macpak20, bmac-20c, carrier carf8250602, f100 / f150 #fc100a1037, x5426, filxxcar0120, expxxlmc0020, x0586, f35 / f35r #fc35a1027, filxxcar0020, carl86469, filxxcar0020, lennox x8790, X6661, expxxunv0020, bryant filbbcar0020, carfc100a1037, Payne MACPAK20.
More information #ad
Industrial-grade beverage board recyclable frames with dual wire backings outperform standard cardboard designs. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.
Brand | Filterbuy #ad |
Manufacturer | Filterbuy #ad |
Height | 4.38 Inches |
Length | 19.88 Inches |
Weight | 15 Pounds |
Width | 24.75 Inches |
Part Number | HRF20x25x5M8=CARpk4 |
Model | HRF20x25x5M8=CARpk4 |
Warranty | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |
More information #ad
3. Honeywell
#ad
Honeywell FC100A1037 20"x25"x4" Merv 11 Filter Media,Packaging may vary Pack of 5
#adHoneywell #ad - Meets industry safety standards. Longevity months- 12. Replacement media air cleaner filter. Measurements are 20 x 25 inches. Helps remove small particles from the air.More information #ad
Brand | Honeywell #ad |
Manufacturer | Honeywell #ad |
Height | 24.7 Inches |
Length | 19.9 Inches |
Width | 4.3 Inches |
Part Number | FC100A1037 |
Model | FC100A1037 |
Warranty | Manufacturer’s warranty can be requested from customer service. |
More information #ad
4. Filterbuy
#ad
Pleated HVAC AC Furnace Filters 2-Pack, Filterbuy 20x25x4 Air Filter MERV 8, Silver
#adFilterbuy #ad - Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.20x25x4 replacement air filters for your furnace, heat pump, air conditioner, or HVAC system actual size: 19.3
More information #ad
38 x 24. 38 x 3. 63 inches. All components are manufactured within the United States and designed with recyclable materials. High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models.Brand | Filterbuy #ad |
Manufacturer | Filterbuy #ad |
Height | 3.63 Inches |
Length | 19.38 Inches |
Weight | 6 Pounds |
Width | 24.38 Inches |
Part Number | AFB20x25x4M8pk2 |
Model | AFB20x25x4M8pk2 |
Warranty | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |
More information #ad
5. Aerostar
#ad
Aerostar 20x25x4 MERV 8 Pleated Air Filter, 6 Pack Actual Size: 19 1/2"x24 1/2"x3 3/4", AC Furnace Air Filter
#adAerostar #ad - Simple to install and a cost-effective step towards a healthier home environment. 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. Manufactured in the usa by filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive.More information #ad
100% synthetic electrostatic media for high efficiency with low air flow resistance. Replace 3"-5" filters every 3-6 months. Designed to filter microscopic particles such as lint, spores, dust mites, and pollen.Brand | Aerostar #ad |
Manufacturer | Filtration Group (Environmental Air) #ad |
Height | 3.75 Inches |
Length | 19.5 Inches |
Weight | 2 Pounds |
Width | 24.5 Inches |
Part Number | 20x25x4 MERV 8 |
Model | 20x25x4 MERV 8 |
More information #ad
6. Nordic Pure
#ad
Nordic Pure 20x25x4 MERV 8 Pleated AC Furnace Air Filters 2 Pack
#adNordic Pure #ad - Nordic pure merv 8 is equivalent to MPR 800 Made in the USA. Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. High quality home office furnace filter. Nominal size: 20 x 25 x 4, actual size: 19 1/2 x 24 1/2 x 3 5/8 19.More information #ad
5 x 24. 5 x 3. 63. Actual size of filter: 19-1/2 by 24-1/2 by 3 5/8. Made in the USA. If you are replacing a honeywell or lennox 20x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 20x25x5 4 3/8 actual depth.Brand | Nordic Pure #ad |
Manufacturer | Nordic Pure #ad |
Height | 3.63 Inches |
Length | 19.5 Inches |
Width | 24.5 Inches |
Part Number | 20x25x4M8-2 |
Model | 20x25x4 (3 5/8) |
More information #ad
7. Filterbuy
#ad
Filterbuy 20x25x4 Air Filter MERV 8, Silver, Pleated HVAC AC Furnace Filters 4-Pack
#adFilterbuy #ad - Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models.Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.
More information #ad
All components are manufactured within the United States and designed with recyclable materials. 20x25x4 replacement air filters for your furnace, heat pump, air conditioner, or HVAC system actual size: 19.38 x 24. 38 x 3. 63 inches.Brand | Filterbuy #ad |
Manufacturer | Filterbuy #ad |
Height | 3.63 Inches |
Length | 19.38 Inches |
Weight | 12 Pounds |
Width | 24.38 Inches |
Part Number | AFB20x25x4M8pk4 |
Model | AFB20x25x4M8pk4 |
Warranty | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |
More information #ad
8. Honeywell Home
#ad
1 PACK CF408F1625-1PKAMActual Dimensions: 15.63 x 24.75 x 4.38 in. 1 Filter, Honeywell Home 16x25x4 MERV 8, AC Furnace Air Filter
#adHoneywell Home #ad - Electrostatically charged pleated design with a cardboard frame. Merv 8 rating-up to 20 times more efficient than typical 1 in. Actual dimensions are 15.More information #ad
63 x 24. 75 x 4. 38 in. Fiber glass filter. Captures high percentage of house hold airborne particles, including microscopic particles you can't see. Lasts 12 months. Filters dust, pollen, mold, and smoke.Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 16 Inches |
Length | 25 Inches |
Width | 4 Inches |
Part Number | CF408F1625/SIOC |
Model | CF408F1625-1PKAM |
Warranty | 1 Year Limited Warranty |
More information #ad
9. Honeywell Home
#ad
3 PACK CF200A1016-3PKAM Actual Dimensions: 18.84 x 24.75 x 4.38 in., AC Furnace Air Filter, Honeywell Home 20x25x4 MERV 12
#adHoneywell Home #ad - Captures high percentage of house hold airborne particles, including microscopic particles you can't see. Easily fits aprilaire/Space-Gard models 2200 & 2253. Actual dimensions: 18. 84 x 24. 75 x 4. 38 in. Merv 12 rating-up to 60x more efficient than typical 1" fiber glass filter.More information #ad
Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 24.88 Inches |
Length | 4.38 Inches |
Width | 18.84 Inches |
Part Number | CF200A1016-3PK/SIOC |
Model | CF200A1016-3PKAM |
Warranty | 1 Year Limited |
More information #ad
10. Honeywell
#ad
Honeywell FC100A1037-5 20" x 25" Merv 11 Filter Media Pack of 5
#adHoneywell #ad - Model number: fc100A1037-5. Country of Origin: United States. Item package Weight: 100 lb. Item package dimension: 28. 0" l x 28. 0" w x 22. 0" h.More information #ad
Brand | Honeywell #ad |
Manufacturer | Honeywell #ad |
Height | 24 Inches |
Length | 20 Inches |
Weight | 9 Pounds |
Width | 4 Inches |
Part Number | FC100A1037-5 |
Model | FC100A1037-5 |
Warranty | Manufacturers warranty |
More information #ad