10 Best Furnace Air Filter of December 2025

• 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 microparticles-such as pollen, pet dander, smoke, bacteria and viruses-your filter will capture from the air passing through it
• CHANGE FILTER AT LEAST EVERY 90 DAYS for optimal performance of your heating & cooling system or HVAC system
• FOR RESIDENTIAL use only
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• 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

Filtrete

• Nominal Size: 16 x 25 x 1, Actual Size: 15 1/2 x 24 1/2 x 3/4 (15.5 x 24.5 x 0.75)
• Attracts indoor allergens, dust, pollen and other airborne contaminants.
• Hypoallergenic and antimicrobial pleated electrostatic filter material. Lead/Handling Time is 5
• Nordic Pure recommends changing 1” air filters every 30-90 days
• Made in the USA

Nordic Pure

• 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 microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses--and large particles, including lint, household dust and pollen
• 1500 MPR has a rating of MERV 12
• 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
• FIND YOUR SIZE: 1500 MPR available in 4 in. , 4 in. slim fit and 5 in. thick air filters
• Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
• Captures microscopic particles including: smoke, cough/sneeze debris, bacteria, viruses, and large particles like lint, dust and pollen.
• Electrostatic air filter with Microparticle Performance Rating 1500
• 3 times better at small particle capture compared to non-electrostatic pleated filters for the capture of 0.3 to 1.0 micron particles.
• Lasts up to 3 months
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• 54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses ( % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing)
• CERTIFIED as asthma & allergy friendly (As outlined in report ASCR: 1246-01)
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1in. filters, and at least every 12 months for 4 in. and 5 in. 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!

Filtrete

• 25 times more effective in odor removal than other national retail home air filters, based on a comparison of organic vapor capacity
• ACTIVE CARBON LAYER acts as odor eliminator for pet smells, smoke, cooking, mildew and cleaning chemicals
• 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
• 1200 Odor 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
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1in. filters, and at least every 12 months for 4 in. and 5 in. filters
• FOR RESIDENTIAL use only
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• 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!

Filtrete

• 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
• FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
• FOR RESIDENTIAL use only
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• 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!

Filtrete

• 20x20x1 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).
• 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, lint, pollen, and pet dander. Say hello to better indoor air quality!
• LONG-LASTING: Designed to last up to 3 months. 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.

FilterBuy

• 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
• FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
• FOR RESIDENTIAL use only
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• 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!

Filtrete

• Marv 11 16x20x1 furnace filter - premium pleated filter
• Traps mold, pet dander, smoke particles, pollen & dust mite debris for allergen protection
• More pleats than most retail air filters - better energy efficiency & captures more particles
• Made in U.S.A. Max Temperature - 180F (82C) continuous service, peak 225F (107C)
• Compare to 3m Filtrete micro particle mpr800 and Filtrete allergen mpr1200 filters

AIRX FILTERS WICKED CLEAN AIR.

• 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
• FIND YOUR SIZE: 1000 MPR available in 4in. , 4in. slim fit and 5in. thick air filters
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters
• FOR RESIDENTIAL use only
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• 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!

Filtrete

• MERV 11
• Actual Size: 19-3/4" X 24-3/4" X 4-3/8"
• 2 Filters
• Manufactured by Lennox
• Nominal Size: 20" x 25" x 5"

Lennox