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The Best 20X25X4 Slim Fit Air Filter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 20X25X4 Slim Fit Air Filter of 2022. Check our ranking below.

2,454 Reviews Scanned

SaleRank No. #1
Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 4-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)
  • MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 12-month deep-pleated 4” Filtrete 20x25x4 MPR 1550 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.5 x 24.5 x 3.7
  • EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1550 MPR and MERV 12 rating, as well as a 54% small particle capture rate (1), your Filtrete Filter will help capture many microparticles from the air passing through it
  • CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
SaleRank No. #2
Filtrete 20x25x4 Air Filter, MPR 1550, MERV 12, Healthy Living Ultra Allergen Healthy Living 12-Month Deep-Pleated 4-Inch Air Filters, 2 Filters
  • MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 12-month deep-pleated 4” Filtrete 20x25x4 MPR 1550 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.5 x 24.5 x 3.7
  • EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1550 MPR and MERV 12 rating, as well as a 54% small particle capture rate (1), your Filtrete Filter will help capture many microparticles from the air passing through it
  • CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
SaleRank No. #3
Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)
  • Actual filter size is: 19.5 in x 24.5 in x 3.75 in
  • This filter is compatible with Carrierand Bryant furnaces calling for a 4" filter
  • 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 of your heating & cooling system or HVAC system, change your home air filter at least every 12 months for 4in. and 5in. Filters
  • 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
SaleRank No. #4
Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 12 Air Filters 2 Pack
  • Nominal Size: 20 x 25 x 4, Actual Size: 19 1/2 x 24 1/2 x 3 5/8 (19.5 x 24.5 x 3.63)
  • Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Made with MERV rated synthetic poly blend pleated media
  • 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)
  • Nordic Pure MERV 12 is equivalent to MPR 1500-1900
  • Made in the USA
Rank No. #5
BNX TruFilter 20x25x4 (19.5’’ x 24.5’’ x 3.63‘’ Slim Fit) MERV 8 Air Filter 2-Pack - MADE IN USA - Air Conditioner Furnace Filters HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600-700 FPR 5
  • Actual Size: 19 1/2’’ x 24 1/2’’ x 3 5/8‘’.
  • 20x25x4 MERV 8 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 19 1/2’’ x 24 1/2’’ x 3 5/8‘. Comparable with MPR 600 & FPR 5. Electrostatically charged filter media with industry leading low air flow resistance.
  • MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1).
  • SUPERIOR PERFORMANCE - The BNX MERV 8 100% synthetic air filter media outperforms standard fiberglass filters and adopts the latest in filtration technology to allow for industry leading superior low air flow resistance while maintaining the highest grade level of filtration.
  • CAPTURES MICROSCOPIC PARTICLES - The BNX air filter has a MERV 8 rating allowing it to capture 85% of microscopic airborne particles without impacting air flow. Captures microscopic particles such as odors, pet dander, allergens, dust, lint, mold, dust mites. Noticeably cleaner air in 48 hours.
Rank No. #6
Filterbuy 20x25x4 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches)
  • 20x25x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.38" x 24.38" x 3.63")
  • 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
  • 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
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Rank No. #7
Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x24 1/2"x3 3/4"), White
  • 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.
  • Designed to filter microscopic particles such as lint, dust mites, spores, and pollen
  • Simple to install and a cost-effective step towards a healthier home environment. Replace 3"-5" filters every 3-6 months.
  • 100% synthetic electrostatic media for high efficiency with low air flow resistance
  • Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive
Rank No. #8
Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches)
  • 20x25x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.38" x 24.38" x 3.63")
  • MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more by trapping 95% of airborne particles without impacting air flow
  • 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
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
Rank No. #9
Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 4 Filters
  • MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 12-month pleated 4” Filtrete 20x25x4 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 x 24.63 x 4.31
  • EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles and large particles from the air passing through it
  • VERSATILE USES: Air filters compatible with Honeywell furnaces calling for a 4" filter and Lennox furnaces calling for a 5" filter
SaleRank No. #10
Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters
  • MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 12-month pleated 4” Filtrete 20x25x4 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 x 24.63 x 4.31
  • EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles and large particles from the air passing through it
  • VERSATILE USES: Air filters compatible with Honeywell furnaces calling for a 4" filter and Lennox furnaces calling for a 5" filter

Last update on 2024-03-09 / Affiliate links / Images from Amazon Product Advertising API

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  2. Features: What bells and whistles matter for an 20X25X4 Slim Fit Air Filter?
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  5. Customer Ratings: Number ratings grade 20X25X4 Slim Fit Air Filter objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 20X25X4 Slim Fit Air Filter.
  7. Product Quality: You don’t always get what you pay for with an 20X25X4 Slim Fit Air Filter, sometimes less, and sometimes more.
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