Top 10 Best 20x20x4 Filter
of November 2024
1
Best Choice
Nordic Pure
Nordic Pure
Nordic Pure 20x20x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack
10
Exceptional
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2
Best Value
Filtrete
Filtrete
Filtrete 20x20x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)
9.9
Exceptional
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3
Honeywell Home
Honeywell Home
Honeywell Home MicroDefense AC Furnace Air Filter 20 x 20 x 4 MERV 12 (1 pk)
9.8
Exceptional
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4
Filtrete
Filtrete
Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)
9.7
Exceptional
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5
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
9.6
Exceptional
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6
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (2-Pack, Platinum)
9.5
Excellent
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7
Aerostar
Aerostar
Aerostar 20x20x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x3 3/4")
9.4
Excellent
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8
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (2-Pack, Gold)
9.3
Excellent
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9
Honeywell
Honeywell
Honeywell FC100A1011 20 x 20 x 5 inch replacement media air furnace filter - MERV 11
9.2
Excellent
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10
Glasfloss
Glasfloss
Glasfloss ZL 20x20x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
9.1
Excellent
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About 20x20x4 Filter
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Nordic Pure 20x20x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack
Nominal Size 20 x 20 x 4, Actual Size 19 12 x 19 12 x 3 58 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 38, please see our 20x20x5 4 38 actual depth. Nordic Pure MERV 12 is equivalent to MPR 1500-1900. Made in the USA.
Filtrete 20x20x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)
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. 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. 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. filters, and 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.
Honeywell Home MicroDefense AC Furnace Air Filter 20 x 20 x 4 MERV 12 (1 pk)
A HEALTHIER HOUSEHOLD - Breathe easy in your home with a Honeywell Home 4-Inch High Efficiency Air Cleaner Filter that helps keep hazardous airborne particles out and fresh air flowing in. MERV 12 RATING - Get exceptional protection against dust, viruses, bacteria, fungus, pollen, and spores. 60x more effective than typical 1-inch fiberglass filters. RECOMMENDED USE - Recommended for homes with pets, people with allergies, homes with smokers, or anyone wanting cleaner air. LONG LASTING FILTRATION - Lasts up to 12 months without losing quality over time. EASY INSTALLATION - Honeywell Home's easy-to-install air filters make changing out your air filtration unit quick, painless, and mess-free. COMPATIBLE AND CONVENIENT - Compatible with April ire and Space -Gard models 2200 and 2255, Skuttle DB - 25-20, and Trion Air Bear 10 x 24 air cleaners. DIMENSIONS - Nominal size 20 x 20 x 4 inches Actual size 20. 5 x 20 x 19. 75 x 4. 5.
Filtrete 20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)
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. 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. 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. FOR RESIDENTIAL use only. CREATE A CHANGE COUNTDOWN in the Filtrete Smart app. Simply use the app to scan the barcode on your filters packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, youll get a notification to change your filter.
Filterbuy 20x20x4 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
20x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system actual size 19.38 x 19.38 x 3.63 inches. 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.
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (2-Pack, Platinum)
20x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system actual size 19.38 x 19.38 x 3.63 inches. MERV 13 synthetic media comparable with MPR 1500-1900 FPR 10 protects homes from bacteria and more by trapping 98 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.
Aerostar 20x20x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x3 3/4")
Nominal size 20x20x4 Actual size 19 12x19 12x3 34 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. Filters that are three inches thick or more can be changed any time after 90 days.. 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.
Filterbuy 20x20x4 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (2-Pack, Gold)
20x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system actual size 19.38 x 19.38 x 3.63 inches. 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.
Honeywell FC100A1011 20 x 20 x 5 inch replacement media air furnace filter - MERV 11
Filter Size 20 x 20 x 4.
Glasfloss ZL 20x20x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
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..