Toshiba H13 True HEPA Air Purifier has 3-stage filtration that removes irritants from the air, improving overall indoor air quality. The Pre-Filter removes larger particles like pet dander, hair, dust, and fur. H13 True HEPA filter removes airborne contaminants down to 0.3 microns in size, including pollen, dust mites, mold spores, viruses and more. Activated Charcoal Filter helps remove smoke, strong odors, and other pollutants from the air. With 3 different fan speeds as well as an auto setting, this air purifier can clean the air in rooms up to 483ft^2 5x per hour. Designed with a DC motor, this unit operates at a noise as low as 30dB. In sleep mode, the lights automatically dim in dark rooms, making this Toshiba Air Purifier perfect for a baby nursery or bedroom. This Toshiba Air Purifier is Smart Wi-Fi compatible with Amazon Alexa. Improving indoor air quality in your home has never been easier!