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After exploring an insanely large number of articles and reviews by our dynamic AI and ML tools; and thorough reprocessing, assessment and infiltration by our specialized technology gurus, the golden shortlist for the Best Furnace Filters (2021) is finally drafted.

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In order to find the Best Furnace Filters (2021), our brilliant platforms and experts have taken many parameters into account such as product fitness for use, features that meet buyers needs and give buyer satisfaction, deficiency-free, conformance of standards, affordability, credibility, design quality, quality conformance to user requirements and good practises, safety, real user satisfaction and numerous others. It is important to mention that each user has different needs so please consider the benchmarking below as a guideline and not as a gospel. Nevertheless, in the below ranking you can undoubtedly find the overall best ones despite your needs.

Our intelligent platforms and pro high-tech experts work hard to provide you with the best product choices. We feel that our review analysis can help you simplify your purchase decision and choose among the very Best Furnace Filters (2021).

Best Furnace Filters

Best Choice No. 1
Filtrete 16x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 15.69 x 24.69 x 0.81)
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC: 3-month pleated 1 inch air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE: Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • MPR 300 has a rating of MERV 5
  • The higher the MPR, the more micro particles-such as pollen, pet dander, smoke, bacteria and viruses-your filter will capture from the air passing through it
Best Choice No. 2
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 4-Pack (exact dimensions 15.69 x 24.69 x 0.81)
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
  • DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
  • ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
  • 1000 MPR has a rating of MERV 11
  • 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
Best Choice No. 3
Filtrete 16x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 15.69 x 19.69 x 0.81)
  • Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 inches air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrete Brand 3 in 1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrete 300 MPR (Microparticle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
Best Choice No. 4
AIRx Filters Allergy 16x25x1 Air Filter MERV 11 AC Furnace Pleated Air Filter Replacement Box of 6, Made in the USA
  • MERV RATED REPLACEMENT AIR FILTER: AIRx Filters 16x25x1 (Actual: 15.50 x 24.50 x 0.75 in) MERV 11 air filter assures the effectiveness of your home HVAC system resulting to efficient heating, ventilation and air conditioning
  • CONTAMINANT REDUCING REPLACEMENT AIR FILTER: AIRx Filters 16x25x1 air filter replacement (Actual: 15.50 x 24.50 x 0.75 in) traps 1.0 – 10.0 micron of particles such as lint, dust, pollen, dust mite debris, mold spores, pet dander, smoke, and smog
  • HIGH QUALITY AIR FILTER REPLACEMENT MATERIAL: AIRx Filters 16x25x1 (Actual: 15.50 x 24.50 x 0.75 in) air filters are 100% made in the USA using high quality air filter moisture resistant double-wall beverage board
  • SUPERIOR AIR FILTER REPLACEMENT CONSTRUCTION AND SPECS: AIRx Filters 16x25x1 air filter uses electrostatically charged 100% synthetic gradient media can perform at temperature ranging from 180F (82C) continuous service, peak 225F (107C)
  • MULTI-PACK OEM AIR FILTER REPLACEMENT COMPATIBLE: AIRx Filters 16x25x1 MERV11 air filter can replace and/or comparable with Allergen Defense MPR 1000 1085 1200, Odor Reduction MPR 1200 16x25x1 air filter
Best Choice No. 5
Filtrete 20x25x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 24.69 x 0.81)
  • Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 inches air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrate Brand 3 in 1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrate 300 MPR (Micro particle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner
SaleBest Choice No. 6
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 15.69 x 24.69 x 0.78)
  • Helps promote a healthy home by reducing airborne dust, allergens, bacteria & viruses
  • 4x better small bacteria and virus capture {Refers to bacteria and viruses that are less than 1 micron in size}
  • Electrostatically charged to attract and capture microscopic airborne particles
  • Carries a 1500 Microparticle Performance Rating (MPR)
  • Lasts up to 3 months
SaleBest Choice No. 7
Aerostar Clean House 20x20x1 MERV 8 Pleated Air Filter, Made in the USA, 6-Pack,White
  • CHECK YOUR FIT – Nominal size: 20x20x1; Actual size 19 3/4″x 19 3/4″ x 3/4″; This MERV 8 filter is comparable with MPR 600 & FPR 5.
  • 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. 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. 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.
Best Choice No. 8
Best Choice No. 9
BestAir Pro 1-1625-8 MERV 8 Pleated Furnace Filter, 16″ x 25″ x 1″ (Pack of 12)
  • Nominal Size: 16x25x1
  • Actual Size: 15½ x 24½ x ¾
  • MERV 8 Rated Efficiency
  • Made in the U.S.A
Best Choice No. 10
Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81)
  • Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 inches air filters for your furnace, air conditioner, or HVAC system
  • Exclusive Filtrate Brand 3 in 1 technology from 3M traps unwanted air particles, while letting cleaner air flow through
  • Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores
  • Filtrate 300 MPR (Micro particle Performance Rating) equates to MERV 5
  • For optimum performance, change your home air filter every 90 days or sooner

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