Top 10 Best Air Filter 20x20x4
of November 2024
1
Best Choice
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (2-Pack, Gold)
10
Exceptional
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2
Best Value
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (4-Pack, Platinum)
9.9
Exceptional
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3
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (2-Pack, Platinum)
9.8
Exceptional
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4
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)
9.7
Exceptional
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5
Nordic Pure
Nordic Pure
Nordic Pure 20x20x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack
9.6
Exceptional
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6
Filterbuy
Filterbuy
Filterbuy 20x20x4 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
9.5
Excellent
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7
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)
9.4
Excellent
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8
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")
9.3
Excellent
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9
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
9.2
Excellent
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10
Aerostar
Aerostar
Aerostar Home Max 20x25x4 MERV 13 Pleated Air Filter, Made in the USA, Captures Virus Particles, (Actual Size: 19 1/2"x24 1/2"x3 3/4"), 6-Pack
9.1
Excellent
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Filterbuy 20x20x4 Air Filter MERV 11, Pleated HVAC AC Furnace Filters (2-Pack, Gold)
20x20x4 replacement air filters for your furnace, air conditioner, 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 or allergies 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.
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (4-Pack, Platinum)
20x20x4 replacement air filters for your furnace, air conditioner, 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 optimally 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.
Filterbuy 20x20x4 Air Filter MERV 13, Pleated HVAC AC Furnace Filters (2-Pack, Platinum)
20x20x4 replacement air filters for your furnace, air conditioner, 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 optimally 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.
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.
Nordic Pure 20x20x4 MERV 12 Pleated AC Furnace Air Filters 2 Pack
Actual Size 19 12 x 19 12 x 3 58 19. 5 x 19. 5 x 3. 63. Attracts indoor allergens, dust, pollen and other airborne contaminants.. Hypoallergenic and pleated electrostatic filter material. Nordic Pure recommends changing 4 air filters every 3-6 months. Made in the U.S.A.
Filterbuy 20x20x4 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
20x20x4 replacement air filters for your furnace, air conditioner, 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.
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.
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.
Glasfloss ZL 20x20x4 MERV 10 AC & Furnace Filters. 6 Pack. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
Aerostar Home Max 20x25x4 MERV 13 Pleated Air Filter, Made in the USA, Captures Virus Particles, (Actual Size: 19 1/2"x24 1/2"x3 3/4"), 6-Pack
CHECK YOUR FIT - Nominal size 20x25x4 Actual size 19 12x24 12x3 34 This MERV 13 filter is comparable with MPR 1500-1900 FPR 10.. 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..