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Top 10 Furnace Filter 20x25x4 – Furnace Filters

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1. Filtrete

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Micro Allergen Defense Deep Pleat, Filtrete MPR 1000 DP 20x25x4 4-3/8-Inch Depth AC Furnace Air Filter, 2-Pack

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Filtrete #ad - 1000 and 1200 mpr also available in 4”, 4” slim fit and 5” air filters. Material: Synthetic. Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through.

For residential use only. Filtrete 1000 mpr microparticle Performance Rating equates to MERV 11. 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. 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.

Sign-up for a filter change reminder program that works for you! A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Outperforms fiberglass, air conditioner, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, or HVAC system.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height25 Inches
Length4 Inches
Width20 Inches
Part NumberNADP03-2PK-2
ModelNADP03-2PK-2
WarrantyAS LISTED

2. Filtrete

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2-Pack, Healthy Living Ultra Allergen Deep Pleat, Filtrete MPR 1550 DP 20x25x4 AC Furnace Air Filter

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Filtrete #ad - Tip the higher the mpr microparticle performance Rating the more particles the filter captures Select 2500 or 2800 MPR to also capture ultrafine particles. Attracts and captures microscopic particles such as smoke cough and sneeze debris bacteria and viruses—and large particles including lint household dust and pollen.

1550 mpr available in 4” 4” slim fit and 5” air filters. 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. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy Sign-up for a filter change reminder program that works for you! Designed with exclusive filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.

For residential use only. Outperforms fiberglass washable and non-electrostatic 3-month pleated 1" home air filters for your furnace air conditioner or HVAC system. Filtrete 1500 mpr microparticle Performance Rating equates to MERV 12. For maximum 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
Height19.88 Inches
Length24.63 Inches
Weight2.63 Pounds
Width4.31 Inches
Part NumberNDP03-4IN-2P-2
ModelNDP03-4IN-2P-2
WarrantyLimited Warranty

3. Honeywell

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

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Honeywell #ad - 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.

Merv 8 rating - get exceptional protection against dust, fungus, bacteria, pollen, viruses, and spores. Compatible and convenient - compatible with Aprilaire and Space-Gard models 2200 and 2251 and Trion Air Bear 20 x 24 air cleaners. Dimensions - nominal size 20 x 25 x 4 inches / Actual Size 18. 838 x 24. 875 x 4. 375 inches. Long lasting filtration - Lasts up to 12 months without losing quality over time.

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. Easy installation - honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free.
BrandHoneywell #ad
ManufacturerHoneywell #ad
Height4.38 Inches
Length24.88 Inches
Weight1 Pounds
Width18.84 Inches
Part NumberCF100A1025/U
ModelCF100A1025/U
Warranty1 Year Limited

4. Filtrete

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2-Pack, Filtrete MPR 1550 DP 20x25x4SlimFit AC Furnace Air Filter, Healthy Living Ultra Allergen Deep Pleat

#ad
Filtrete #ad - For maximum 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. Tip: the higher the mpr microparticle performance Rating, the more particles the filter captures. Sign-up for a filter change reminder program that works for you!1550 mpr available in 4”, 4” slim fit and 5” air filters.

For residential use only. 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. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Attracts and captures microscopic particles such as smoke, including lint, cough and sneeze debris, bacteria and viruses—and large particles, household dust and pollen.

Select 2500 or 2800 mPR to also capture ultrafine particles. Outperforms fiberglass, air conditioner, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, or HVAC system. Filtrete 1500 mpr microparticle Performance Rating equates to MERV 12. Designed with exclusive filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height19.88 Inches
Length24.63 Inches
Weight2.38 Pounds
Width4.31 Inches
Part NumberNDP03-4S-2P-2
ModelMPR 1550 DP
WarrantyLimited Warranty

5. FilterBuy

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20x25x4 – Silver, Pack of 4 Filters, FilterBuy 20x25x4 MERV 8 Pleated AC Furnace Air Filter

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FilterBuy #ad - Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. 20x25x4 merv 8 pleated air filter for ac hvac or furnace pack of 4 filters.

Afb silver merv 8, comparable with mPR 300 / 600 clean living and dust & pollen. Synthetic media provides significantly higher particulate efficiency than standard cotton media. Long-lasting: designed to last up to 3 months. 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, pollen, lint, debris, and pet dander. Ideal for residential and commercial use.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Part NumberAFB20x25x4M8pk4
ModelAFB20x25x4M8pk4

6. 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 - Replacement media air cleaner filter. Measurements are 20 x 25 inches. Meets industry safety standards. Helps remove small particles from the air. Longevity months- 12.
BrandHoneywell #ad
ManufacturerPark Supply of America #ad
Height23.3 Inches
Length20.6 Inches
Weight2 Pounds
Width4.38 Inches
Part NumberFC100A1037
ModelFC100A1037

7. MicroDefense by Honeywell

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Honeywell Home MicroDefense AC Furnace Air Filter 16 x 25 x 4 MERV 8 2 pk, CF408H1625

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MicroDefense by Honeywell #ad - No time consuming assembly required. Lasts up to 12 months under normal household conditions. Electro-statically charged fibers help capture airborne particles.
BrandMicroDefense by Honeywell #ad
ManufacturerHoneywell International #ad
Height25 Inches
Length16 Inches
Weight2.8 Pounds
Width4 Inches
Part NumberCF408H1625
ModelCF408H1625
Warranty1 Year Limited

8. Nordic Pure

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Box of 2, Nordic Pure 20x25x4 3-5/8 Actual Depth MERV 12 Pleated AC Furnace Air Filters

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Nordic Pure #ad - 63. Lead/handling Time - 5. Proudly made in the USA. 5 x 24. 5 x 3. Actual size: 19 1/2 x 24 1/2 x 3 5/8 19. Hypoallergenic and pleated electrostatic filter material. Attracts indoor allergens, dust, pollen and other airborne contaminants. Nordic pure recommends changing 4" air filters every 3-6 months.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height19.5 Inches
Length24.5 Inches
Width3.63 Inches
Part Number20x25x4M12-2
Model20x25x4 (3 5/8)
WarrantyNot Applicable

9. FilterBuy

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FilterBuy 20x25x4 MERV 8 Pleated AC Furnace Air Filter, Pack of 2 Filters, 20x25x4 – Silver

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FilterBuy #ad - 20x25x4 merv 8 pleated air filter for ac hvac or furnace pack of 2 filters. Ideal for residential and commercial use. High quality: filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F.

Synthetic media provides significantly higher particulate efficiency than standard cotton media. Say hello to better indoor air quality! Made in the usa: manufactured by FilterBuy in the USA using 100% American made components. Traps 90% of airborne particles: say goodbye to dust, debris, pollen, lint, and pet dander. 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
Part NumberAFB20x25x4M8pk2
ModelAFB20x25x4M8pk2

10. Honeywell

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20" x 25" Pack of 2 merv 11, Honeywell FC100A1037-2 Replacement Media

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Honeywell #ad - The dimensions are 20 inch x 25 inch x4 inch. 20x25 media air filter-MERV 11. Replacement Filter. Honeywell 20x25, 25x20, 25x22 f100 and f200 media Air Cleaners, SpaceGard 2200.
BrandHoneywell #ad
ManufacturerHoneywell #ad
Height11.61 Inches
Length30.79 Inches
Weight1 Pounds
Width20.79 Inches
Part NumberFC100a1037-2
ModelFC100a1037-2