Top 10 Best 14x21x1 Air Filter
of November 2024
1
Best Choice
Filtrete
Filtrete
Filtrete 14x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 13.781 x 19.781 x 0.84)
10
Exceptional
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2
Best Value
Filtrete
Filtrete
Filtrete 14x24x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 13.81 x 23.81 x 0.81)
9.9
Exceptional
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3
Eco-Aire
Eco-Aire
Eco-Aire 14x21x1 MERV 13, Pleated Air Filter, 14x21x1, Box of 6, Made in The USA
9.8
Exceptional
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4
Filtrete
Filtrete
Filtrete 14x24x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 13.81 x 23.81 x 0.81)
9.7
Exceptional
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5
Filterbuy
Filterbuy
Filterbuy 14x24x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (6-Pack, Silver)
9.6
Exceptional
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6
Filterbuy
Filterbuy
Filterbuy 14x20x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
9.5
Excellent
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7
Filterbuy
Filterbuy
Filterbuy 14x14x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
9.4
Excellent
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8
Filter King
Filter King
Filter King 14x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 13.5 x 20.5 x .75"
9.3
Excellent
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9
Flanders
Flanders
Flanders PrecisionAire 84857.012020 20 by 20 by 1 NaturalAire with Baking Soda, 4-Pack
9.2
Excellent
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10
Filterbuy
Filterbuy
Filterbuy 14x24x1 Air Filter MERV 8 (Allergen Odor Eliminator), Pleated HVAC AC Furnace Filters with Activated Carbon (2-Pack, Black)
9.1
Excellent
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About 14x21x1 Air Filter
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Filtrete 14x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 13.781 x 19.781 x 0.84)
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. Helps protect your home by reducing allergens in your air. Attracts and captures particles like household dust, lint, dust mite debris, mold spores, pollen, pet dander and smoke. Electrostatically charged to attract and capture microscopic airborne particles. Lasts up to 3 months. Manufactured by 3M.
Filtrete 14x24x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 13.81 x 23.81 x 0.81)
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.
Eco-Aire 14x21x1 MERV 13, Pleated Air Filter, 14x21x1, Box of 6, Made in The USA
Nominal 14x21x1 or 14 x 21 x 1, Size 14x21x1, AC Furnace Air Filter. Made in the USA. Designed to last up to 60 Days. Comparable to the Dust and Pollen 2000. Captures airborne particles less than 1 micron in size.
Filtrete 14x24x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 13.81 x 23.81 x 0.81)
Electrostatically charged fibers attracts and capture large airborne allergens like Pollen, Household Dust, Lint. Ideal for high-velocity heating and cooling systems. Lasts up to 3 months. Microparticle Performance Rating MPR 300 equates to Minimum Efficiency Reporting Value MERV 5. Packaging and filter media may vary for MPR 300.
Filterbuy 14x24x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (6-Pack, Silver)
14x24x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size 13.38 x 23.38 x 0.75 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 14x20x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
14x20x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size 13.50 x 19.50 x 0.75 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 14x14x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (4-Pack, Silver)
14x14x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size 13.50 x 13.50 x 0.75 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.
Filter King 14x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 13.5 x 20.5 x .75"
BREATHE LIKE ROYALTY Filter King Merv 8 Rating filters help prevent contaminants. It keeps incoming air flow free from intruding particles, giving you a fresh, clean and healthier environment.. BIG SAVINGS Our filters are not only good for your health but also your wallet. Replacing air filters can save you thousands of dollars in repairs and can lower your monthly energy bills. Our filters are specifically made for furnace, air conditioner or HVAC systems.. 100 MADE IN USA Not only are all our filters are proudly manufactured and assembled here in the USA but they also comply with all FTC rules and are certified by regulatory bodies such as SafeHome.. FAST EASY INSTALLATION Open, Slide and Close. Simple yet effective air filters. For best results, it is recommended to replace your HVAC and furnace filters every 1-3 months. Air filters in different environments block airborne irritants and particles to prevent complications resulting from lack of filtration.. KEEP YOUR HOME FRESH AND CLEAN Clean air should never have to be something you worry about. Approximately 1 in every 7 Americans has respiratory issues such as Asthma and COPD. Maintain a healthy home environment for your loved ones today..
Flanders PrecisionAire 84857.012020 20 by 20 by 1 NaturalAire with Baking Soda, 4-Pack
Experience the clean air difference.. Pack of 4 air filters designed with baking soda media to control, absorb, and eliminate offensive odors. MERV 8 rating Removes household dust, pollen, dirt, mold spores and more. V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low. Each filter maintains efficiency for up to 90 days. Compatible with HVAC systems requiring filters sized 20 x 20.
Filterbuy 14x24x1 Air Filter MERV 8 (Allergen Odor Eliminator), Pleated HVAC AC Furnace Filters with Activated Carbon (2-Pack, Black)
14x24x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size 13.38 x 23.38 x 0.75 inches. MERV 8 Odor Eliminator synthetic media comparable with MPR 600 FPR 5 protects homes from adverse smells while 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.