The Blueair Blue Pure 511i Max smart air purifier is designed for bedrooms, small rooms, and apartments that need efficient air cleaning. Using advanced HEPASilent filtration technology, it captures 99.97% of airborne particles including dust, pollen, pet dander, and smoke, helping improve indoor air quality. Capable of cleaning up to 1,138 square feet in one hour, the Blue Pure 511i Max is ideal for bedrooms, nurseries, home offices, and homes with pets or allergy concerns. Experience powerful air purification in a compact design with the Blueair Blue Pure 511i Max smart air purifier, engineered for bedrooms and small living spaces. The purifier combines mechanical and electrostatic filtration through Blueair’s proprietary HEPASilent technology, capturing airborne pollutants such as dust, pollen, pet dander, smoke particles, and mold spores while maintaining quiet operation. This advanced filtration captures particles down to 0.1 microns, helping keep indoor air cleaner and fresher. Designed for small spaces, the Blue Pure 511i Max refreshes indoor air quickly, cleaning 237 square feet in about 12.5 minutes or up to 1,138 square feet in one hour. This makes it ideal for bedrooms, dorm rooms, apartments, home offices, and nurseries. Smart sensors monitor air quality and automatically adjust fan speed when pollution levels rise. Through the Blueair mobile app, you can check air quality levels, schedule operation, and receive filter replacement reminders. With quiet performance as low as 19 dB and a compact Scandinavian design, the Blue Pure 511i Max blends seamlessly into modern homes while delivering efficient air purification. Whether you're managing pet dander, seasonal allergies, cooking odors, or everyday dust, the Blue Pure 511i Max helps create a cleaner and more comfortable indoor environment.