The Best 20x20x4 air filter of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 20x20x4 air filter of 2022. Check our ranking below.
2,606 Reviews Scanned
- Nominal Size: 20 x 20 x 4, Actual Size: 19 1/2 x 19 1/2 x 3 5/8 (19.5 x 19.5 x 3.63)
- Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.
- If you are replacing a Honeywell or Lennox 20x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 20x20x5 (4 3/8 actual depth)
- Nordic Pure MERV 12 is equivalent to MPR 1500-1900
- Made in the USA
- NOMINAL SIZE: 20x20x4 | EXACT SIZE: 19-1/2 x 19-1/2 x 3-3/4 | Does not replace 5" or 4-3/8" depth filters.
- 20x20x4 FILTRATION LEVEL RATING: MERV 8, MPR 600, FPR 5. Captures 90% of airborne particles without inhibiting air flow. Traps particles such as dust, mold spores, pollen, lint, pet dander, debris, hair.
- IMPROVE AIR QUALITY: Our air filters are made using an advanced pleated technology that offers more air coverage, enhance particle capture performance and helps extends the life of your furnace, air conditioner, or HVAC system.
- STURDY, DURABLE CONTRUCTION: Constructed from a two-piece frame provides rigidity and durability. Electrostatically charged pleats captures more harmful particles and prolongs the products lifespan by up to 3 times over fiberglass filters. Industrial-grade dual side beverage board frames outperforms standard one-sided cardboard designs.
- MADE IN USA. Suggested to replace at least every 3 months for optimal performance.
- 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 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
- PureFlow by Premium Guard with 4 filtration stages - 1st stage PureFlow High Efficiency HEPA filtration media that captures microscopic all particles.
- 2nd & 3rd Stage Activated Charcoal layer that block dangerous gases – e.g. carbon monoxide , sulfur dioxide. This layer is combined with baking soda to absorb bad smells.
- 4th layer of advanced protection.
- Captures microscopic particles such as smoke as well as large particles like ragweed
- Nominal size: 20x20x4; Actual size: 19 1/2"x19 1/2"x3 3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7.
- Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
- 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
- 20x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.38" x 19.38" 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
- Actual Size: 19.5” x 19.5” x 3.75” | Nominal Size: 20x20x4
- MERV 10 Efficiency with MERV 8 Air Flow (.25" W.C.)
- Air Filters for homes, business, schools, apartments, hotels and industrial.
- Durable and sturdy galvanized metal backing.
- Made in the USA. For optimal performance, recommended to change at least every 3 months.
- 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 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
- 20x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.38" x 19.38" 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
- Actual Size: 19-1/2 x 19-1/2 x 3-3/4 | Nominal Size: 20x20x4
- Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR rating 5 to 6.
- Air Flow is comparable to a MERV 8 with improved filtration. Made in the USA. Ideal for residential and commercial use.
- Note: Does not replace 5" inch or 4-3/8" Depth filters. Please check actual filter size needed.
Last update on 2022-10-10 / Affiliate links / Images from Amazon Product Advertising API
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