Every Purchase Saves Pets™. BISSELL proudly supports BISSELL Pet Foundation® and its mission to help save homeless pets. 3 Stage Filtration. Includes a Fabric Pre-Filter, an Activated Carbon Filter, and a HEPA Filter which captures 99.97% of 0.3 micron particles and smaller when on lowest fan speed, including pollen, dust, smoke, hair, and pet dander. Honeycomb-Structured Filter. Activated carbon filter captures gases and volatile organic compounds (VOCs), including odors from pets, cooking, smoke, and other common household odors. Automated CirQulate® System. Monitors and provides indoor air quality readings in real-time and adjusts to the appropriate fan speed. Peaceful Sleeping Environment. Library-quiet fan speed option and automated night mode make it the perfect addition to bedrooms. Integrated and Functional Design. Compliments any living space with front panel filter access, convenient and discreet cord wrap, and intuitive controls. WiFi Connected. Pairs with BISSELL® Connect App, so you can check your indoor air quality and control your air purifier from your smartphone. Accommodating Size. CADR rated for 366 square feet, making it great for bedrooms, living areas, basements, and dining rooms.