Amazon.com: Powerful PuroAir HEPA Air Purifiers for Home Large Rooms Amazon.com: Powerful PuroAir 400 HEPA Air Purifiers for Home Large Amazon.com: PuroAir 400 HEPA 14 Air Purifier for Home Large Room Amazon.com: Powerful PuroAir HEPA Air Purifiers for Home Large Rooms Amazon.com: PuroAir 400 HEPA Air Purifier for Home Large Rooms Covers. About this item CLEANER AIR IN MINUTES: PuroAir is proven to filter the pollutants lurking in your homes air. This large room air purifier cleans rooms up to 2,000 sq ft in one hour.* Breathe clean, crisp air and kiss your allergies goodbye! (Based on independent testing in an ISO 17025 certified lab and typical residential rooms ventilation rates, 2025.) POWERFUL AIR FILTER: PuroAir HEPA air purifiers for home feature a powerful 3 layer filtration systema pre filter, HEPA filter, and activated carbonthat filter up to 99. 9% of pollutants, including dust, pollen, smoke, pet dander, and VOCs. PuroAir air filters can filter particles 700X smaller than the size of a human hair.* (Based on filter performance standards and independent testing on inanimate particles in an ISO 17025 laboratory, 2024.) BACKED BY SCIENCE: Lab tested and studied to filter the most common household pollutants with ease. Better filtration means improved allergy symptoms and improved sleep quality.* Certified by CARB, ETL, ISO, and UL. (Based on SleepScore's independent lab testing, 2024) QUIETLY CLEANS 24 7: A smart particle sensor monitors air quality and increases power if polluted air is detected. Set it and forget it! Perfect air purifiers for bedroom, with a built in sleep mode that operates quietly. Designed to be used 24 7. 2 YEAR RISK FREE WARRANTY: We stand by our products and their performance, which is why 500,000+ families trust PuroAir to keep their air clean. Have a problem? Our team is here to make it right! Proudly based in the USA. Description The average American spends 90% of their time inside and indoor air quality can be up to 2X 5X dirtier than outdoor air. PuroAir filters out smoke, dust, pollen and everything you dont want to inhale at a microscopic level.* Clean large rooms up to 2,000 sq ft in one hour automatically with the PuroAir air filter.* Breathe cleaner air with confidence. PuroAir HEPA air purifiers for home feature a powerful 3 layer filtration systema pre filter, HEPA filter, and activated carbonthat filter up to 99. 9% of pollutants, including dust, pollen, smoke, pet dander, and VOCs. PuroAir air filters capture particles 700X smaller than the size of a human hair. * We recommend replacing your air purifier filter every 3 months or 90 days. Due to build up of filtered air pollutants, waiting longer than 90 days could decrease the effectiveness of your air purifier. During periods of poor air quality due to increased allergens, wildfire smoke, and renovation projects we recommend replacing the filter sooner. Product Details Property Value asin B0C3FXZLZ5 manufacturer Elevate Your Home best sellers rank #2 in HEPA Filter Air Purifiers item model number PuroAir 400 product dimensions 17. 5 x 10. 6 x 12. 5 inches; 14. 73 Pounds date first available April 29, 2023