The BLACK+DECKER Tabletop Air Purifier is designed to enhance your air quality in spaces up to 435 square feet based on 5 air changes per hour. This bedroom air purifier utilizes 3-stage filtration to create a cleaner, healthier living space. Our air purifier HEPA technology captures 99.97% of airborne pollutants as small as 0.3 microns, ensuring that you breathe only the purest air. Ideal for those seeking a HEPA filter air purifier that effectively combats allergens, bacteria, and pet dander. This compact and portable air purifier is perfect for small rooms, making it an excellent choice for bedrooms, dorms, and apartments. The pre-filter reduces larger particles like dust and pet hair, while the HEPA filter targets finer particles for comprehensive air purification. Complementing these is an activated carbon filter that efficiently diminishes household odors, including secondhand smoke, making it one of the best air purifiers for home use. Color changing indicator lights are used to display the quality of air in the room (Blue = excellent, green = good, purple = fair, red = poor). Our HEPA filter air purifiers boast impressive CADR ratings: 66.4 CFM average, 65.8 CFM for dust, 77.5 CFM for pollen, and 55.8 CFM for smoke. With three speed settings and a dedicated sleep mode, the BLACK+DECKER air purifier offers customizable comfort for uninterrupted rest. An intuitive touch control panel allows easy operation, while a filter indicator light ensures timely maintenance. This home, apartment and dorm essential also features an 8-hour shutoff timer for energy-efficient operation. ENERGY STAR certified. DC 24V power cord and adapter.