LEVOIT Air Purifier for Bedroom Home, Quiet HEPA Filter Cleaner with Fragrance Sponge & 3 Speed for Better Sleep, Air Frenshener, Allergies, Dust, Pet Dander, Odour, Smoke, Office, Desktop, Core Mini# : Levoit has sold over 6. 5 million products worldwide, available in 35 countries and regions, and has been a pioneer in air purification technology for 6 years : The three layer Hepa filter removes most pollutants like dust, pet dander, pollen, smoke, odors, and hair to provide you with a clean and safe environment : The CoreMini uses 360 VortexAir 3. 0 technology and three stage filtration to quickly purify 34 square meters once in 1 hour,