Best 20 X 21 Hepa Filter For Air Conditioner

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1 BNX 20x20x1 MERV 13 Air Filter 4 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke BNX 20x20x1 MERV 13 Air Filter 4 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC... 920 Reviews
2 Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81) Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions... No ratings yet
3 Aerostar 19 7/8 x 21 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 7/8'x21 1/2'x3/4') Aerostar 19 7/8 x 21 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size:... No ratings yet
4 Filtrete 20x25x1 Furnace Air Filter MPR 1500 MERV 12, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 19.719 x 24.688 x 0.78) Filtrete 20x25x1 Furnace Air Filter MPR 1500 MERV 12, Healthy Living Ultra Allergen, 2-Pack (exact... 29,348 Reviews
5 Filtrete 16x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 15.719 x 19.719 x 0.84) Filtrete 16x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions... No ratings yet
6 Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches) Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters... 10,408 Reviews
7 K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020 K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You... 4,691 Reviews
8 FILTI 7500 Air Filter 20x20x1 MERV 13 | Pleated Home Air Filter w/ Nanofiber Technology | HVAC AC Furnace Filter MADE IN USA, 4 Pack (20x20x1) FILTI 7500 Air Filter 20x20x1 MERV 13 | Pleated Home Air Filter w/ Nanofiber Technology | HVAC AC... No ratings yet
9 Trophy Air Electrostatic Air Filter Replacement | HVAC Conditioner Purifier | Purify Air for Cleaner, Healthier Home Environment | Replacement AC Furnace Air Filter | Made in the USA (20x20x1) Trophy Air Electrostatic Air Filter Replacement | HVAC Conditioner Purifier | Purify Air for... No ratings yet
10 Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75 Inches) Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters... No ratings yet
11 Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches) Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters... 5,043 Reviews
12 AIRx ALLERGY Premium MERV 11 Pleated Air Filter - Made in the USA - 6-Pack of Filters 20x20x1 AIRx ALLERGY Premium MERV 11 Pleated Air Filter - Made in the USA - 6-Pack of Filters 20x20x1 No ratings yet
13 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') Aerostar 18x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x 19... 26,651 Reviews
14 Crisp Filters, 14x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6-Pack, (CF14x20x1-6pkM11) Crisp Filters, 14x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6-Pack,... No ratings yet
15 Filterbuy 20x21x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 x 21.00 x 1.00 Inches) Filterbuy 20x21x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters... 29 Reviews
16 Filtrete 20x24x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 2-Pack (exact dimensions 19.81 x 23.81 x 0.78) Filtrete 20x24x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 2-Pack (exact... No ratings yet
17 20x20x1 Air Filter by Colorfil | Color Changing Filters Designed for Cat and Dog Odor | MERV 8 Filter | Air FIlter 20x20x1 | Air Conditioner Filter | HVAC Filter for Pet Hair | 20x20 Air Filter 2 pack 20x20x1 Air Filter by Colorfil | Color Changing Filters Designed for Cat and Dog Odor | MERV 8... 1,607 Reviews
18 Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches) Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters... 2,627 Reviews
19 Filterbuy 20x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.88 x 21.50 x 0.75 Inches) Filterbuy 20x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters... 114 Reviews
20 Aerostar 16 1/2 x 21 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 16 1/2'x21 1/2'x3/4') Aerostar 16 1/2 x 21 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size:... No ratings yet
There are a lot of products and services available in the market. Consumers find it difficult to choose the best product that meets their needs. In order to help consumers with that process, we have compiled a list of Top 20 Best 20 X 21 Hepa Filter For Air Conditioner, which will allow them to make a more informed decision when buying any product or service. Before finalizing these products, our team considered numerous factors, such as customer feedback, features, specifications, and price. This list is a useful tool for all of our readers who are looking for The 20 Best 20 X 21 Hepa Filter For Air Conditioner. Hopefully you find it useful!

Best 20 X 21 Hepa Filter For Air Conditioner

Bestseller No. 1
BNX 20x20x1 MERV 13 Air Filter 4 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
920 Reviews
BNX 20x20x1 MERV 13 Air Filter 4 Pack - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
  • 20x20x1 MERV 13 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 19 11/16’’ x 19 11/16’’ x 3/4‘’. Comparable with MPR 1500-1900 & FPR 10. Electrostatically charged filter media with industry leading low air flow resistance.
  • MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1). Adopts single sided (one-piece) frame technology to reduce environmental waste and made sustainably from recycled cardboard.
  • SUPERIOR PERFORMANCE - The BNX MERV 13 100% synthetic electrostatically charged air filter media outperforms standard fiberglass filters and adopts the latest in electrostatic filtration technology to allow for industry leading superior low air flow resistance while maintaining the highest grade level of filtration.
  • CAPTURES MICROSCOPIC PARTICLES - The BNX air filter has a MERV 13 rating allowing it to capture 93% of microscopic airborne particles (3-10 um) without impacting air flow. Captures microscopic particles such as virus-carriers, bacteria, odors, smoke, and pollen, pet dander, allergens, dust, lint, mold, dust mites, smog. Noticeably cleaner air in 48 hours.
  • BNX Quality Promise & Applications - BNX is committed to delivering the highest quality American made safety products, made with American workers, and using the latest automated manufacturing processes and technology with the strictest quality standards.
SaleBestseller No. 2
Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 19.69 x 19.69 x 0.81)
  • OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. 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 large particles such as lint, household dust and dust mite debris
  • MPR 300 has a rating of MERV 5
  • The higher the MPR, the more microparticles - such as pollen, pet dander and smoke - your filter will capture from the air passing through it
SaleBestseller No. 3
Aerostar 19 7/8 x 21 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 7/8"x21 1/2"x3/4")
  • Nominal size: 19 7/8 x 21 1/2x1; Actual size: 19 7/8"x21 1/2"x3/4"; 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 by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive
Bestseller No. 4
Filtrete 20x25x1 Furnace Air Filter MPR 1500 MERV 12, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 19.719 x 24.688 x 0.78)
29,348 Reviews
Filtrete 20x25x1 Furnace Air Filter MPR 1500 MERV 12, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 19.719 x 24.688 x 0.78)
  • 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
  • 1500 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
  • Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
  • Captures microscopic particles including: smoke, cough/sneeze debris, bacteria, viruses, and large particles like lint, dust and pollen.
  • Electrostatic air filter with Microparticle Performance Rating 1500
  • 3 times better at small particle capture compared to non-electrostatic pleated filters for the capture of 0.3 to 1.0 micron particles.
  • Lasts up to 3 months
Bestseller No. 5
Filtrete 16x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 15.719 x 19.719 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
SaleBestseller No. 6
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
10,408 Reviews
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
  • 20x20x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 19.50" x 0.75")
  • 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
SaleBestseller No. 7
K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020
4,691 Reviews
K&N 20x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-12020
  • The LAST AIR FILTER YOU WILL EVER BUY: Washable furnace filter for long-term home HVAC filter savings
  • SAVE MONEY: Save $30 annually with reusable air filter compared to disposable, one time use filters
  • INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
  • GUARNATEED QUALITY: Premium design and construction for excellent air filtration
  • DIRECT REPLACEMENT: Designed to fit directly into your filter register
  • IMPROVES AIR QUALITY: Helps capture dust, pollen, and other contaminants
  • MERV 11: Superior Filtration
  • EASY TO CLEAN: Remove filter, apply K&N HVAC filter cleaner, rinse with low pressure hose, let filter dry, return filter to housing
SaleBestseller No. 8
FILTI 7500 Air Filter 20x20x1 MERV 13 | Pleated Home Air Filter w/ Nanofiber Technology | HVAC AC Furnace Filter MADE IN USA, 4 Pack (20x20x1)
  • EVERY AIR FILTER has a nominal size and an actual size. The nominal size is rounded to the nearest whole or half inch, normally in a larger font, that helps simplify the purchasing process (ex: 20” x 20” x 1"). Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the precise dimensions of the filter (ex: 19.5” x 19.5” x .75").
  • Comparable to MPR 1500-1900 & FPR 7
  • STATE OF THE ART MERV 13 NANOFIBER MEDIA offers EXCEPTIONAL FILTER PERFORMANCE. Great option for your home furnace filters, air conditioner, as well as commercial HVAC system providing the cleanest air for the healthiest lifestyle. Filti replaceable air filters are designed & manufactured to last 90 days or 3 months. Very economical and easy to install.
  • PHENOMENAL CONSTRUCTION. Professional beverage board frames leaves you with a filter that will outperform standard filters that are on the market today. An engineered melt-blown design with a 3-layer composition increases dust collection throughout the filters lifetime.
  • 100% MADE IN AMERICA. Made with recyclable materials helping our environment stay clean while providing superior air quality..
Bestseller No. 9
Trophy Air Electrostatic Air Filter Replacement | HVAC Conditioner Purifier | Purify Air for Cleaner, Healthier Home Environment | Replacement AC Furnace Air Filter | Made in the USA (20x20x1)
  • Enhanced HVAC Effectiveness – Crafted to help improve your home’s ventilation efficiency, proper air flow can help reduce air flow resistance for less HVAC stress.
  • Cleaner, Healthier Air – These air conditioner filters help purify the air, which can help reduce itchy eyes and sneezing.
  • Premium Craftsmanship – Each HVAC air filter is crafted with four layers of high-grade aluminum and two layers of electrostatic media for superior reliability.
  • Quick & Easy Installation – Each electrostatic air purifier slides into your HVAC system effortlessly in seconds, making it simple to change out your old filters.
  • American Made – Trophy Filter electrostatic air conditioner filters are crafted right here in the United States, so you can trust their durability and long-lasting quality.
Bestseller No. 10
Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75 Inches)
  • 18x20x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17.50" x 19.50" x 0.75")
  • 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
Bestseller No. 11
Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches)
5,043 Reviews
Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches)
  • 16x20x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.50" x 19.50" x 0.75")
  • 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
SaleBestseller No. 12
AIRx ALLERGY Premium MERV 11 Pleated Air Filter - Made in the USA - 6-Pack of Filters 20x20x1
  • MERV Rated Replacement Air Filter: AIRx Filters 20x20x1 (Actual: 19.50 x 19.50 x 0.75 in) MERV 11 air filter assures the effectiveness of your home HVAC system resulting to efficient heating, ventilation and air conditioning
  • Contaminant Reducing Replacement Air Filter: AIRx Filters 20x20x1 air filter replacement (Actual: 19.50 x 19.50 x 0.75 in) AirX air filter 20x20x1 traps 1.0 - 10.0 micron of particles such as lint, dust, pollen, dust mite debris, mold spores, pet dander, smoke, and smog
  • High Quality Air Filter Replacement Material: AIRx Filters 20x20x1 (Actual: 19.50 x 19.50 x 0.75 in) air filters are 100% made in the USA using high quality air filter moisture resistant double-wall beverage board
  • Superior Furnace Filters Replacement Construction And Specs: AIRx Filters 20x20x1 air filter uses electrostatically charged 100% synthetic gradient media can perform at temperature ranging from 180F (82C) continuous service, peak 225F (107C)
  • Multi-Pack OEM Air Filter Replacement Compatible: AIRx Filters 20x20x1 MERV 11 air filter are a replacement compatible with and comparable to 3M Filtrete 20x20x1 Allergen Defense MPR 1000 1085 1200, Odor Reduction MPR 1200 20x20x1 air filter
Bestseller No. 13
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')
26,651 Reviews
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 3/4"x 19 3/4" x 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. 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 by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive
Bestseller No. 14
Crisp Filters, 14x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6-Pack, (CF14x20x1-6pkM11)
  • ENHANCED AIR FILTRATION: Our 14x20x1 air filters are made using an advanced pleated technology that offers more air coverage, better particle capture performance and helps extend the life of your furnace, air conditioner, or HVAC system. Our pleats are designed with wire backed synthetic media. Our 14x20x1 air filters are also made using high quality CNK coated beverage boards.
  • NEVER WORRY ABOUT YOUR AIR AGAIN: Nobody wants to think of the air they are breathing. Therefore the most prestigious accomplishment a filter can make is to ensure that you are not worrying about the purity of your air. Our Crisp 14x20x1 MERV 11 furnace filters are the ideal choice for anyone wanting clean, crisp air in their home. Our MERV 11 air filters trap debris, allergens such as pollen, dust, pet hair, auto exhaust particulates, and smoke - so you only breathe pure and crisp air.
  • TOP TIER PERFORMANCE: Utilizing a thicker build and a more pleat-heavy design than most retail air filters, our air conditioner filter offers enhanced airflow and efficiency, better capture coverage, (traps the unwanted particles) AND provides consistent, high performance filtration for up to three months.
  • EASY & SIMPLE TO USE: Installing or replacing our air filters for any AC units or furnace is as simple as it gets. Simply slide the filter into the air filter return of your unit and then breathe easy, knowing your air is secure. To avoid a dip in air quality, change your filters out up to every 90 days. Houses with specific air requirement needs should change the filter more frequently. Our 14x20x1 air filter measures 13 ¾ x 19 ¾ x ¾ in size.
  • THE HIGHEST STANDARDS: Every single one of our air filters is made in the U.S.A. Our filters come in a shrink wrap protective package to avoid the filter touching dust in transit, which is important to ensure the quality of your filters. We understand the importance of keeping your air clean.
Bestseller No. 15
Filterbuy 20x21x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 x 21.00 x 1.00 Inches)
29 Reviews
Filterbuy 20x21x1 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 20.00 x 21.00 x 1.00 Inches)
  • 20x21x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 20.00" x 21.00" x 1.00")
  • 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
Bestseller No. 16
Filtrete 20x24x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen, 2-Pack (exact dimensions 19.81 x 23.81 x 0.78)
  • 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
  • 1900 MPR has a rating of MERV 13
  • 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
  • Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
  • Captures micro-particles including: PM 2.5 pollution, smoke, cough/sneeze debris, bacteria, viruses, and large particles like lint, dust and pollen
  • Electrostatic air filter with Microparticle Performance Rating 1900
  • 4 times better small particle capture compared to non-electrostatic pleated filters for the capture of 0.3 to 1.0 micron particles.
  • Lasts up to 3 months
Bestseller No. 17
20x20x1 Air Filter by Colorfil | Color Changing Filters Designed for Cat and Dog Odor | MERV 8 Filter | Air FIlter 20x20x1 | Air Conditioner Filter | HVAC Filter for Pet Hair | 20x20 Air Filter 2 pack
1,607 Reviews
20x20x1 Air Filter by Colorfil | Color Changing Filters Designed for Cat and Dog Odor | MERV 8 Filter | Air FIlter 20x20x1 | Air Conditioner Filter | HVAC Filter for Pet Hair | 20x20 Air Filter 2 pack
  • 【A PERFECT, PINK, PET-FRIENDLY AIR FILTER - MADE IN THE USA】Pets are awesome, but let's be completely honest here--they don’t do us any favors when it comes to air quality. High-efficiency, dynamic air conditioner filters by Colorfil were designed specifically to help you enjoy the happiest moments with your pets, with none of the odors.
  • 【NASA-GRADE FILTRATION AT YOUR FINGERTIPS】That’s one small step for man, and one giant leap for home filtration! Colorfil’s 20x20x1 air filter technology was originally built to protect astronauts and spacecraft from nasty gases and odors. You could say we’re the only air filter company that is literally “out of this world.”
  • 【COLOR-SHIFT TECHNOLOGY, A BAD SCENT’S WORST ENEMY】Colorfil’s remarkable home air filter acts as the most feared and respected bouncer at a club – it lets in the good, and keeps out the bad. Whether it's dust, dirt or that pesky pet hair your four-legged friends leave behind, we filter it all to keep you and your loved ones healthy and happy.
  • 【WHEN IT'S TIME FOR A CHANGE, IT LETS YOU KNOW】Our 20x20 air filter can be seamlessly inserted into air conditioning units, heaters, or other HVAC systems. The bright pink color-shift technology will slowly change to yellow with use as it absorbs and neutralizes gas-phase odors from your air. So as the color changes, you know that your Colorfil air filter is working hard to keep your air clean.
  • 【COLORFIL, YOUR NOSE’S NEW BEST FRIEND】We pride ourselves on delivering a one-of-a-kind odor eliminator with no added scents. Products like whole house air fresheners, candles and sprays usually cover up odors with fragrances, and that’s just not us. We aim to provide a clean and natural scent to your living environment, filtering air the right way so that you can enjoy pure quality time with your furry friends and loved ones.
Bestseller No. 18
Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches)
2,627 Reviews
Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches)
  • 12x20x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11.50" x 19.50" x 0.75")
  • 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
Bestseller No. 19
Filterbuy 20x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.88 x 21.50 x 0.75 Inches)
114 Reviews
Filterbuy 20x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.88 x 21.50 x 0.75 Inches)
  • 20x21.5x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.88" x 21.50" x 0.75")
  • 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
Bestseller No. 20
Aerostar 16 1/2 x 21 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 16 1/2"x21 1/2"x3/4")
  • Nominal size: 16 1/2x21 1/2x1; Actual size: 16 1/2"x21 1/2"x3/4"; 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 by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

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