Bestbuy.com: Air purifiers

The Best
Levoit - Core 300-P Air Purifier - White Levoit - Core 300-P Air Purifier - White 99.99 USD Refresh your home’s air with the Levoit Core 300-P Air Purifier. The Pre-Filter removes large airborne particles like dust and hair, the Main Filter captures at least 99.97% of airborne particles down to 0.3 microns, and the Activated Carbon Filter removes smoke, odors, fumes and VOCs (Volatile Organic Compounds). This air purifier cleans the air in a room up to 1,073 ft² with noise levels as low as 22dB, helping you breathe cleaner air while maintaining a peaceful home.
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Levoit - Core 200S-P Smart Air Purifier - Gray Levoit - Core 200S-P Smart Air Purifier - Gray 89.99 USD Refresh your home with the Levoit Core 200S-P Smart Air Purifier. The efficient 3-stage filtration includes a Nylon Pre-Filter, Main Filter, and a High-Efficiency Activated Carbon Filter. Together, they trap large particles like hair, remove at least 99.97% of airborne particles down to 0.3 microns, and help remove odors, smoke, and fumes. With smart control, you can program timers, set schedules, and control air purifier settings from within the VeSync app. You can even monitor filter life and connect with third-party voice assistants for hands-free control. With noise levels as quiet as 24dB, this air purifier offers maximum comfort with minimum disturbance. Perfect for small rooms like bedrooms, offices, and nurseries.
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Levoit - Vital 200S-P Smart Air Purifier - White/Grey Levoit - Vital 200S-P Smart Air Purifier - White/Grey 199.99 USD The air quality of your home is important, as are your pets. That’s why the Levoit Vital 200S-P Smart Air Purifier filters at least 99.97% of airborne particles down to 0.3 microns, such as hair and smoke particles. Featuring helpful Pet Mode, the Vital 200S-P can automatically switch between high and low fan speeds to keep your air clean while helping to conserve energy. Is your playful pet shaking loose fur into the air? No problem—the additional U-shaped air inlet captures airborne pet fur while helping to reduce clogging. These features, combined with smart control, scheduling, and real-time air quality updates, make creating a fresh and happy environment for you and your furry friends easy.
Recommended
Dyson - Purifier Hot+Cool HP1 - Exclusive - White/Silver Dyson - Purifier Hot+Cool HP1 - Exclusive - White/Silver 659.99 USD Dyson Purifier Hot+Cool HP1, exclusive to Bestbuy, delivers whole-room heating⁴ and powerful cooling⁶ with purified air. The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
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Dyson - Purifier Hot+Cool HP1 - White Dyson - Purifier Hot+Cool HP1 - White 659.99 USD Dyson Purifier Hot+Cool HP1 delivers whole-room heating⁴ and powerful cooling⁶ with purified air. The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
Alternative
Blueair - Blue Pure 511i Max 926 sq ft HEPASilent Small Room Bedroom Air Purifier - White/Gray Blueair - Blue Pure 511i Max 926 sq ft HEPASilent Small Room Bedroom Air Purifier - White/Gray 111.99 USD Blue Pure 511i Max HEPASilent smart air purifier quickly cleans 193 sqft in about 12.5min, 465 sqft in 30 minutes and upto 926 sqft in 1 hour on high. Independently evaluated for safety standards and third-party tested for performance as part of the AHAM Verifide Program for air cleaners, this air purifier has a Clean Air Delivery Rate (CADR) of 125 for fine smoke particles, dust and pollen.
Dyson - Cool Gen1 TP10 Purifier - White/Silver Dyson - Cool Gen1 TP10 Purifier - White/Silver 349 USD The Dyson Purifier Cool Gen1 purifying fan automatically senses, captures and traps pollutants to purify your whole room¹, while removing 99.97% of particles as small as 0.3 microns.³
Blueair - Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed Blueair - Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed 229.99 USD Let’s clear the air with Blueair. Blue Pure 311i Max HEPASilent smart air purifier quickly cleans 387 sq. ft medium room in about 12.5 min, up to 929 sq. ft medium space in 30 min, and 1,800 sq.ft in 1 hour on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen. Energy Star Most Efficient 2023.
AIR Doctor - AIRDOCTOR AD3500 Air Purifier for Home Large Rooms Up to 1260 sq. ft. 2x/hour, UltraHEPA, VOC Filters Air Quality Sensor - White AIR Doctor - AIRDOCTOR AD3500 Air Purifier for Home Large Rooms Up to 1260 sq. ft. 2x/hour, UltraHEPA, VOC Filters Air Quality Sensor - White 559 USD Our most popular model. Powerful enough to protect the air in bedrooms, living rooms, kitchens. Circulates the air in 630 sq. ft. 4x/hour or in 1,260 sq. ft. 2x/hour.
Blueair - Blue Pure 211i Max 3000 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray Blueair - Blue Pure 211i Max 3000 Sq. Ft HEPASilent Smart Extra-Large Room Air Purifier - White/Gray 279.99 USD Let’s clear the air with Blueair. Blue Pure 211i Max HEPASilent smart air purifier quickly cleans 635 sq. ft extra-large room in about 12.5 min or up to 1,524 sq. ft XL space in 30 min & 3,000 sq. ft in 1 hour, on high. This air purifier has a Clean Air Delivery Rate (CADR) of 410 for fine smoke particles, dust and pollen.
Dyson - HushJet Compact Air Purifier - White/Silver Dyson - HushJet Compact Air Purifier - White/Silver 349.99 USD Dyson HushJet compact purifier is Dyson's most powerful, small-format purifier. Basing their design on that of jet engines, Dyson engineers developed HushJet air projection, which minimizes noise while purifying rooms of up to 203 sq ft. So, it’s compact in size yet powerfully circulates air throughout the entire room. Whether you’re working, relaxing or sleeping, the Dyson HushJet Purifier Compact is designed to perform in the background, quietly protecting your home from indoor pollutants that can build up quickly in enclosed, well-sealed places.
Levoit - PlasmaPro 600S-P Smart Air Purifier - White Levoit - PlasmaPro 600S-P Smart Air Purifier - White 299.99 USD Completely refresh your space with the Levoit PlasmaPro® 600S-P Smart Air Purifier. The air purifier quickly refreshes large areas, like an apartment or loft up to 2,956 sq ft (1 ACH), with its aerodynamic air duct design and spiral 360° airflow. The 3-stage filtration system includes a Pre-Filter, Main Filter, and Custom High-Efficiency Activated Carbon Filter. Together, they capture at least 99.97% of airborne particles down to 0.3 microns and help remove smoke, fumes, VOCs, and household odors. Use the VeSync app to create schedules, connect to voice assistants, check filter life, control settings, receive real-time air quality updates, and more.
Shark - NeverChange Air Purifier, 5-Year Filter Life, 650-sq Ft - Black Shark - NeverChange Air Purifier, 5-Year Filter Life, 650-sq Ft - Black 179.99 USD The Shark NeverChange Air Purifier is designed for 10x longer filter life, saving you $300 or more in filter replacement costs over 5 years*. It captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). It covers up to 650 sq. ft. for powerful, multi-room purification. Odor Neutralizer Technology guards against odors throughout your home, releasing a fresh scent into your air for 2x better odor reduction vs. filtration alone, Based on ASTM E544 vs. HP150 with filter and carbon only, after 30 minutes. *Allergen refers to non-living matter. *Vs. cost of replacing filters on a competitor unit over 5-year period in 300 square foot space.
Shark - NeverChange Compact Pro Air Purifier - Dove Shark - NeverChange Compact Pro Air Purifier - Dove 176.99 USD The Shark NeverChange Air Purifier delivers all-day clean air with powerful, long-lasting HEPA filtration. Watch your air quality improve in real time, and breathe easier as Shark's PureShield Anti-Allergen filtration captures dust, pet dander, smoke, irritants, and more. Plus, with up to 5 years of long-lasting filtration, you can save big on pricey filter replacements.
Dyson - Purifier Hot+Cool HP2 De-NOx​ - White/Gold Dyson - Purifier Hot+Cool HP2 De-NOx​ - White/Gold 949.99 USD Dyson Purifier Hot+Cool HP2 De-NOx​ delivers whole-room heating⁴ and powerful cooling⁶ with purified air. Advanced air purification captures 50% more NO₂.⁸ Removes odors and gases,¹ and continuously destroys formaldehyde.⁹ The fully sealed, 3-stage filter system captures 99.97% of particles as small as 0.3 microns.³ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
Shark - NeverChange Air Purifier MAX, 5-Year Filter Life, 1400 sq. Ft - White Shark - NeverChange Air Purifier MAX, 5-Year Filter Life, 1400 sq. Ft - White 319.99 USD The Shark NeverChange Air Purifier MAX is designed for 10x longer filter life, saving you $300 or more in filter replacement costs over 5 years*. It captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). It covers up to 1400 sq. ft. for powerful, multi-room purification. Odor Neutralizer Technology guards against odors throughout your home, releasing a fresh scent into your air for 2x better odor reduction vs. filtration alone, Based on ASTM E544 vs. HP300 with filter and carbon only, after 30 minutes. *Allergen refers to non-living matter. *Vs. cost of replacing filters on a competitor unit over 5-year period in 300 square foot space.
Medify Air - Medify MA-15 293 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - Silver Medify Air - Medify MA-15 293 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - Silver 99.99 USD This tabletop purifier with Dual HEPA filters removes dust, pollen, allergens, pet dander, and more down to 0.1 microns in size. Perfect for baby nurseries, kid's rooms, or send college students off with an MA-15 for their dorm. It's compact yet can easily trap airborne particles with ease.
Medify Air - Medify MA-25 413 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White Medify Air - Medify MA-25 413 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White 148.99 USD Our MA-25 air purifier is feature-rich, sleek, and effective. With thousands of happy customers, the MA-25 offers Dual filtration to effectively remove 99.9% of airborne allergens, dust, pollen, mold spores, odors, smoke, and more down to 0.1 microns in size. It also features a modern touchscreen operation panel and a design that will compliment your decor.

Air purifiers Bestbuy.com best products

Medify Air - Medify MA-25 413 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White Medify Air - Medify MA-25 413 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White 148.99 USD Our MA-25 air purifier is feature-rich, sleek, and effective. With thousands of happy customers, the MA-25 offers Dual filtration to effectively remove 99.9% of airborne allergens, dust, pollen, mold spores, odors, smoke, and more down to 0.1 microns in size. It also features a modern touchscreen operation panel and a design that will compliment your decor.
Dyson - Purifier Cool PC1 - Exclusive - White/Silver Dyson - Purifier Cool PC1 - Exclusive - White/Silver 499.99 USD Dyson Purifier Cool PC1, exclusive to Bestbuy, delivers whole-room purification⁴ and powerful cooling.⁶ The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
Dyson - Cool Purifier PC1 - White Dyson - Cool Purifier PC1 - White 549.99 USD Dyson Purifier Cool PC1 delivers whole-room purification⁴ and powerful cooling.⁶ The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁵
Medify Air - Medify MA-40 896 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White Medify Air - Medify MA-40 896 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White 269.99 USD Our MA-40 air purifier is feature-rich, sleek, and effective. With thousands of happy customers, the MA-40 offers Dual filtration to effectively remove 99.9% of airborne allergens, dust, pollen, mold spores, odors, smoke, and more down to 0.1 microns in size. It also features a modern touchscreen operation panel and a design that will compliment your decor.
Honeywell - HEPAClean HEPA Air Purifier 100 sq ft Honeywell - HEPAClean HEPA Air Purifier 100 sq ft 86.95 USD Compact tabletop purifier helps improve air quality in small rooms up to 100 square feet by using a HEPA-type filter and carbon pre-filter to reduce dust, pollen, pet dander, smoke, and common household odors. Three cleaning levels and a filter check indicator make operation and maintenance simple for everyday use.
Shark - CleanSense™ Air Purifier with Odor Neutralizer Technology, covers 500 sq.ft. Captures 99.98% of airborne particles - White Shark - CleanSense™ Air Purifier with Odor Neutralizer Technology, covers 500 sq.ft. Captures 99.98% of airborne particles - White 129.99 USD The Shark Clean Sense Air Purifier with Odor Neutralizer Technology, covers 500 sq. ft. Captures 99.98% of airborne particles (based on IEST-RP-CC007.3, 0.1-0.2 microns). Odor Neutralizer Technology guards against odors throughout your home.
AIR Doctor - AirDoctor AD5000/AD5500 4-in-1 Air Purifier for Extra Large Spaces, High Ceilings, UltraHEPA, Carbon & VOC Filters - White AIR Doctor - AirDoctor AD5000/AD5500 4-in-1 Air Purifier for Extra Large Spaces, High Ceilings, UltraHEPA, Carbon & VOC Filters - White 999 USD AirDoctor 5500 is our most powerful and quietest purifier. It is perfect for extra large spaces, high ceilings and open concepts. Circulates the air in 1,043 sq. ft. 4x/ hour or in 2,086 sq. ft. 2x/hour.
Dyson - Purifier Big + Quiet Formaldehyde BP03 - Bright Nickel/Prussian Blue Dyson - Purifier Big + Quiet Formaldehyde BP03 - Bright Nickel/Prussian Blue 929.99 USD The Dyson Purifier Big+Quiet Formaldehyde is our biggest purifier yet, engineered from the ground up, to evenly purify large spaces.¹ Cone aerodynamics creates a condensed jet of air to project purified air over 32 feet. Quietly. An advanced 360 HEPA H13 grade filter captures allergens and 99.97% of fine particles⁴. Removes gases and odors.² Destroys formaldehyde, permanently.³
Dyson - Purifier Big + Quiet Formaldehyde BP03 - Bright Nickel/Prussian Blue Dyson - Purifier Big + Quiet Formaldehyde BP03 - Bright Nickel/Prussian Blue 1312.71 USD The Dyson Purifier Big+Quiet Formaldehyde is our biggest purifier yet, engineered from the ground up, to evenly purify large spaces.¹ Cone aerodynamics creates a condensed jet of air to project purified air over 32 feet. Quietly. An advanced 360 HEPA H13 grade filter captures allergens and 99.97% of fine particles⁴. Removes gases and odors.² Destroys formaldehyde, permanently.³
AIR Doctor - AIRDOCTOR AD2000 4-in-1 Air Purifier Air Purifier for Small & Medium Rooms and Small Bedrooms. 3 Stage Filtration - White AIR Doctor - AIRDOCTOR AD2000 4-in-1 Air Purifier Air Purifier for Small & Medium Rooms and Small Bedrooms. 3 Stage Filtration - White 409 USD The AirDoctor 2000 delivers robust air purification for small to medium rooms, bedrooms, nurseries, and home offices. It efficiently circulates the air in spaces up to 305 sq. ft. four times per hour or in larger areas up to 610 sq. ft. twice per hour, ensuring clean and fresh air throughout your home.
Levoit - PlasmaPro 400s-P Smart Air Purifier - White Levoit - PlasmaPro 400s-P Smart Air Purifier - White 259.99 USD The Levoit PlasmaPro® 400S-P Smart Air Purifier purifies the air in an area up to 1,755 sq ft (1 ACH) with noise levels as low as 22dB. Filter at least 99.97% of airborne particles down to 0.3 microns and remove VOCs, odors, fumes, and smoke with 3-stage filtration. The laser dust sensor scans surrounding air for airborne particles and displays the amount detected on the PM2.5 display. With smart control, you can control air purifier settings no matter where you are, connect to third-party voice assistants, and receive real-time notifications about air quality and filter life.
Shark - Air Purifier MAX with True NanoSeal HEPA, Cleansense IQ, Odor Lock, Cleans up to 1200 Sq. Ft - Charcoal Grey Shark - Air Purifier MAX with True NanoSeal HEPA, Cleansense IQ, Odor Lock, Cleans up to 1200 Sq. Ft - Charcoal Grey 259.99 USD The Shark Air Purifier uses Pure Air Microforce to deliver fast, powerful, and quiet purification. Clean Sense IQ senses air quality & auto-adjusts to improve air quality and report results in real time. A HEPA filter captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). Cleans up to 1200 square feet.
Enrichment - PureZone True HEPA Air Purifier - Mist Enrichment - PureZone True HEPA Air Purifier - Mist 99.99 USD Breathe in fresher air with the PureZone 3-in-1 Air Purifier from Pure Enrichment. Enjoy improved air quality as the premium 3-stage filter and UV-C light safely clean the air in any home or office. With its modern design, PureZone adds a touch of elegance to any space while its true HEPA filter removes 99.97% of particles as small as 0.3 microns caused by spring or fire season and pets. It's the perfect solution to help make the air more comfortable for people with common breathing issues like allergies and asthma. †Staphylococcus albus (95.8%), Escherichia coli (96.6%), Aspergillus niger (88.2%), H1N1 (99.9%) independent testing
Enrichment - PureZone True HEPA Air Purifier - White Enrichment - PureZone True HEPA Air Purifier - White 125.47 USD Breathe in fresher air with the PureZone™ 3-in-1 Air Purifier from Pure Enrichment®. Enjoy improved air quality as the premium 3-stage filter and UV-C light safely clean the air in any home or office. With its modern design, PureZone adds a touch of elegance to any space while its true HEPA filter removes 99.97% of particles as small as 0.3 microns caused by spring or fire season and pets. It's the perfect solution to help make the air more comfortable for people with common breathing issues like allergies and asthma. †Staphylococcus albus (95.8%), Escherichia coli (96.6%), Aspergillus niger (88.2%), H1N1 (99.9%) independent testing
AIR Doctor - AIRDOCTOR AD1000 4-in-1 Air Purifier for Guest Rooms Kids Bedrooms Home Offices Circulates 285 sq. ft. 4x/Hour - White AIR Doctor - AIRDOCTOR AD1000 4-in-1 Air Purifier for Guest Rooms Kids Bedrooms Home Offices Circulates 285 sq. ft. 4x/Hour - White 419 USD Small and mighty purification that’s perfect for small bedrooms, nurseries, home offices, and laundry rooms. It circulates the air in 285 sq. ft. 4x/hour or in 570 sq. ft. 2x/hour.
Medify Air - Medify MA-35 640 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White Medify Air - Medify MA-35 640 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - White 198.99 USD Our MA-35 air purifier is feature-rich, sleek, and effective. With thousands of happy customers, the MA-35 offers Dual filtration to effectively remove 99.9% of airborne allergens, dust, pollen, mold spores, odors, smoke, and more down to 0.1 microns in size. It also features a Includes a sleek touch panel with and a design that will compliment your decor.
Medify Air - Medify MA-35 640 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - Silver Medify Air - Medify MA-35 640 Sq. Ft. Portable Air Purifier with True HEPA H13 Filter - Silver 198.99 USD Our MA-35 air purifier is feature-rich, sleek, and effective. With thousands of happy customers, the MA-35 offers Dual filtration to effectively remove 99.9% of airborne allergens, dust, pollen, mold spores, odors, smoke, and more down to 0.1 microns in size. It also features a Includes a sleek touch panel with and a design that will compliment your decor.
Levoit - Airzone Air Purifier - White Levoit - Airzone Air Purifier - White 299.99 USD Fresh air can be hard to find, but it doesn’t have to be. The LV-H134 is ideal for large rooms, providing a steady source of fresh air to offices, apartments, and open-floorplan homes. 3-stage filtration captures a variety of airborne particles while adsorbing odors and VOCs (volatile organic compounds). View the amount of airborne particles detected by the laser dust sensor on the PM2.5 display, while Auto Mode automatically adjusts the fan speed based on air quality. Enjoy fresh air anywhere in your home with the Levoit Tower Pro Air Purifier.
Dyson - Purifier Humidify+Cool PH2 De-NOx​ - White/Gold Dyson - Purifier Humidify+Cool PH2 De-NOx​ - White/Gold 929.99 USD Dyson Purifier Humidify+Cool PH2 De-NOx​ purifies and hygienically humidifies the whole room.⁴ It also cools you.⁶ Hygienically removes 99.9% of bacteria in the water.¹⁰ Removes odors and gases,¹ and continuously destroys formaldehyde.⁹ Advanced air purification captures 50% more NO₂.⁸ The fully sealed, 3-stage filter system captures 99.97% of particles as small as 0.3 microns.³ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier technology projects over 77 gallons per second of smooth, yet powerful airflow.⁷ Connects to the MyDyson app to control and monitor air quality from anywhere, or hands-free with compatible voice services.⁶
Dyson - Hot+Cool Autoreact HP7A Air Purifier - White/Nickel Dyson - Hot+Cool Autoreact HP7A Air Purifier - White/Nickel 649.99 USD Dyson’s latest purifiers combine intelligent sensing with an advanced filtration system. Two phases of purification sit within our fully sealed filtration and airflow system. So what goes inside, stays inside. Then powerful Air Multiplier technology purifies and heats the whole room and cools you.¹
Honeywell - HFD320 Air Genius 5 Air Purifier with Permanent Filter Large Rooms - Black Honeywell - HFD320 Air Genius 5 Air Purifier with Permanent Filter Large Rooms - Black 201.99 USD This Honeywell Air Genius 5 Air Purifier features 5 levels of cleaning power and patented ifD technology to capture up to 99.9% of microscopic airborne particles*1 ( 1 From the air that passes through the filter, 0.3 microns and larger. 2 Based on 3rd party independent CADR testing for the smoke CADR value when operated at the highest level. Air circulation depends on many factors, such as room size and configuration. There is no guarantee that all of the air in a room will pass through the filter. 3 The ifD particle filter and foam pre-filer can be washed to clean. 4 When operated with the odor reducing pre-filter. It is recommended that the pre-filter be replaced every 3 months to effectively reduce common household odors and VOCs in a room).