Top 10 Best 20x18x1 Air Filter
of November 2024
1
Best Choice
Aerostar
Aerostar
Aerostar 18x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x 19 3/4" x 3/4")
10
Exceptional
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2
Best Value
Filtrete
Filtrete
Filtrete 18x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 4-Pack (exact dimensions 17.81 x 19.81 x 0.81)
9.9
Exceptional
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3
Nordic Pure
Nordic Pure
Nordic Pure 18x20x1 MERV 8 Pleated AC Furnace Air Filters 6 Pack
9.8
Exceptional
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4
Filterbuy
Filterbuy
Filterbuy 18x20x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
9.7
Exceptional
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5
Aerostar
Aerostar
Aerostar 18x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x 19 3/4" x 3/4")
9.6
Exceptional
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6
Aerostar
Aerostar
Aerostar 18x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 17 3/4" x 19 3/4" x 3/4")
9.5
Excellent
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7
Crisp Filters
Crisp Filters
Crisp Filters, 18x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6-Pack
9.4
Excellent
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8
Crisp Filters
Crisp Filters
Crisp Filters, 18x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 4-Pack
9.3
Excellent
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9
Precisionaire
Precisionaire
Precisionaire 18X20x1 Fbg Furn Filter (Pack Of 12) 1005 Furnace Filters Mounted
9.2
Excellent
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10
Nordic Pure
Nordic Pure
Nordic Pure 18x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack
9.1
Excellent
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About 20x18x1 Air Filter
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Aerostar 18x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x 19 3/4" x 3/4")
Nominal size 18x20x1 Actual size 17 34x 19 34 x 34 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. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. 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.
Filtrete 18x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 4-Pack (exact dimensions 17.81 x 19.81 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.
Nordic Pure 18x20x1 MERV 8 Pleated AC Furnace Air Filters 6 Pack
Actual Size 17 12 x 19 12 x 34. Attracts indoor allergens, dust, pollen and other airborne contaminants.. Hypoallergenic and pleated electrostatic filter material. Nordic Pure recommends changing 1 air filters every 30-90 days. Proudly Made in the USA.
Filterbuy 18x20x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver)
18x20x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size 17.50 x 19.5 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.
Aerostar 18x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x 19 3/4" x 3/4")
Nominal size 18x20x1 Actual size 17 34x 19 34 x 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. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. 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.
Aerostar 18x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 17 3/4" x 19 3/4" x 3/4")
Nominal size 18x20x1 Actual size 17 34x 19 34 x 34 This MERV 13 filter is comparable with MPR 1500-1900 FPR 10.. Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria. Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. 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.
Crisp Filters, 18x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6-Pack
UNIVERSALLY COMPATIBLE This air conditioner, furnace and HVAC filter works with almost any brand. It is comparable to the 3M Filtrete MPR 600 Dust Pollen, Filterbuy AFB Silver and the Honeywell FPR 5 models.. CREATE A CLEANER ENVIRONMENT Entrap airborne particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen. Nominal Size 18x20x1, Actual size is 17 x 19 x . LONG-LASTING PERFORMANCE Thanks to the thick build and pleated design, our air conditioner filter offers better capture coverage to trap more unwanted air particles and provides resilient filtration for up to 3 months to let only clean air pass through. EASY SIMPLE TO USE Installing or replacing our air filters for AC units or furnace is as simple as it gets. Simply slide the filter into the air filter return of your unit and youre done Its recommended to change your filters every 90 days to maintain optimal filtration. QUALITY THAT COUNTS We designed our pleated air filters with more pleats than most retail air filters to enhance airflow and efficiency. Each filter is made in the U.S.A with close attention to even the smallest details making it ideal for any residential home.
Crisp Filters, 18x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 4-Pack
UNIVERSALLY COMPATIBLE This air conditioner, furnace and HVAC filter works with almost any brand. It is comparable to the 3M Filtrete MPR 600 Dust Pollen, Filterbuy AFB Silver and the Honeywell FPR 5 models.. CREATE A CLEANER ENVIRONMENT Entrap airborne particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen. Nominal Size 18x20x1, Actual size is 17 x 19 x . LONG-LASTING PERFORMANCE Thanks to the thick build and pleated design, our air conditioner filter offers better capture coverage to trap more unwanted air particles and provides resilient filtration for up to 3 months to let only clean air pass through. EASY SIMPLE TO USE Installing or replacing our air filters for AC units or furnace is as simple as it gets. Simply slide the filter into the air filter return of your unit and youre done Its recommended to change your filters every 90 days to maintain optimal filtration. QUALITY THAT COUNTS We designed our pleated air filters with more pleats than most retail air filters to enhance airflow and efficiency. Each filter is made in the U.S.A with close attention to even the smallest details making it ideal for any residential home.
Precisionaire 18X20x1 Fbg Furn Filter (Pack Of 12) 1005 Furnace Filters Mounted
PRECISIONAIRE FIBERGLASS FURNACE FILTER. Flat panel. Size 18 X 20 X 1. Disposable furnace filter. Merv rating1.
Nordic Pure 18x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack
Nominal Size 18 x 20 x 1, Actual Size 17 12 x 19 12 x 34 17.5 x 19.5 x 0.75. Attracts indoor allergens, dust, pollen and other airborne contaminants.. Hypoallergenic and antimicrobial pleated electrostatic filter material. Nordic Pure recommends changing 1 air filters every 30-90 days. Made in the USA.