10 Best Air Furnace Filter 20x25x4 In 2022 [Highly Recommended]

NoProductScoreAction
1Honeywell Home MicroDefense AC Furnace Air Filter 16 x 25 x 4 MERV 8 (2 pk)9.6Buy from Amazon
2Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack9.2Buy from Amazon
3Aerostar 20x25x4 MERV 8 Pleated Air Filter9.2Buy from Amazon
4Filtrete 20x25x4, AC Furnace Air Filter8.8Buy from Amazon
5Honeywell FC100A1037 Furnace Filters8.8Buy from Amazon
6Filtrete 20x25x4, AC Furnace Air Filter8.6Buy from Amazon
7Honeywell FC100A1037-2 Replacement Media8.4Buy from Amazon
8BestAir PFHW2025-11CR AC Furnace Air Filter8.2Buy from Amazon
9Filterbuy 20x25x4 Air Filter MERV 88.2Buy from Amazon
10Trion Air Bear 259112-102 MERV 11 Filters (3-Pk) - 20x25x58.2Buy from Amazon
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Table Of Content:

1. Honeywell Home MicroDefense AC Furnace Air Filter 16 x 25 x 4 MERV 8 (2 pk)

  • Captures high percentage of house hold airborne particles, including microscopic particles you can’t see.
  • MERV 8 rating – up to 20x more efficient than a typical 1 inch fiberglass filter
  • Lasts up to 12 months
  • No time consuming assembly required
  • Filter size: 16x25x4

2. Nordic Pure 20x25x4 MERV 12 Pleated AC Furnace 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)
  • Attracts indoor allergens, dust, pollen and other airborne contaminants.
  • Hypoallergenic and pleated electrostatic filter material. Lead/Handling Time – 5
  • Nordic Pure recommends changing 4″ air filters every 3-6 months
  • Proudly Made in the USA

3. Aerostar 20x25x4 MERV 8 Pleated Air Filter

  • 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.
  • 100% synthetic electrostatic media for high efficiency with low air flow resistance
  • Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive.

4. Filtrete 20x25x4, AC Furnace Air Filter

  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in.
  • 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.
  • 1550 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.
  • 54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses ( % captured is based on ASHRAE 52.
  • CERTIFIED as asthma & allergy friendly (As outlined in report ASCR: 1246-01)
  • FIND YOUR SIZE: 1550 MPR available in 4 in. , 4 in. slim fit and 5 in. 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 1in.
  • A dirty filter will slow down air flow and make the system work harder to keep you warm or cool – wasting energy.

5. Honeywell FC100A1037 Furnace Filters

  • Breathe Cleaner Air – This FC100A1037 Honeywell air purifier filter replacement will filter the air entering your house more efficiently than a one-inch disposable HVAC filter.
  • Designed with You in Mind – The Honeywell furnace filter with a Minimum Efficiency Reporting Value (MERV) of 11 will capture particles as small as 0.
  • Convenient, Easy Filter Replacement – Furnace filter requires no maintenance, except periodic (every 6-12 months), super easy, in-and-out media air filter replacement.
  • Compatability – Fits all 20″x25″x4″ Honeywell air cleaners & Aprilaire Space-Gard model 2200 air cleaners.
  • Protect Your HVAC System – This 4 inch air filter offers valuable protection for your home’s heating and cooling equipment.
  • Clean Filter Disposal – Dispose of your old Honeywell air filter without the debris all over.

6. Filtrete 20x25x4, AC Furnace Air Filter

  • Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1″ home air filters for your furnace, air conditioner, or HVAC system.
  • Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through.
  • Filtrete 1000 MPR (Microparticle Performance Rating) equates to MERV 11
  • 1000 and 1200 MPR also available in 4”, 4” slim fit and 5” air filters.Material: Synthetic
  • 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.
  • For residential use only
  • 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.

7. Honeywell FC100A1037-2 Replacement Media

  • 20X25 Media Air Filter-MERV 11
  • Replacement Filter
  • Honeywell 20X25, 25X20, 25X22 F100 and F200 Media Air Cleaners, SpaceGard 2200
  • The dimensions are 20 inch x 25 inch x4 inch

8. BestAir PFHW2025-11CR AC Furnace Air Filter

  • Helps Control Odors
  • Improves Indoor Air Quality
  • Filters airborne particles that can trigger asthma attacks and others
  • Package dimensions : 20.25 inches (H) x 25.25 inches (L) x 15.25 inches (W)

9. Filterbuy 20x25x4 Air Filter MERV 8

  • 20x25x4 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 19.
  • 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

10. Trion Air Bear 259112-102 MERV 11 Filters (3-Pk) – 20x25x5

  • MERV 11 filtration
  • Nominal size: 20″ x 25″ x 5″
  • Actual size: 24 1/4” x 19 3/4” x 4 7/8”
  • This is not a replacement for a Lennox furnace filter
  • 3 Pack of a Genuine Trion OEM filter
  • 3 REPLACEMENT AIR FILTERS: Replacement air filter media for your Trion Air Bear air cleaners; Replace your filter every 6 months for best performance.
  • SIZE: Nominal size (H x W x D): 20 x 25 x 5 in; Actual size (H x W x D): 19.
  • EFFICIENT FILTERING: MERV 11 rated high-performance filter features electrostatically-charged synthetic material and provides superior efficiency with minimal added pressure drop.
  • PLEATED FILTER MEDIA: 5-inch thick, pleated filter media retains shape even when dirty or when air pressure drops; Filters out and captures dust, pollen, pet dander, and other airborne particles as small as 1 micron.
  • 3 pack de un verdadero Trion OEM filtro
  • RELIABLE CONSTRUCTION: Frame retains strength and shape even in high humidity; Finger-supported vertical pleats remain evenly spaced while maximizing dirt-holding capacity low pressures; Galvanized, wire mesh, integral width filter media supports media and retains pleat shape even when dirty.

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