Oreck WK16001 Air Response HEPA Purifier with Odor Control & Auto Mode for Medium Rooms (Available in 3 Sizes)

DustSense automatically monitors, detects, and responds to the particles in your air Recommended Room Size: Medium - up to 206 square feet. Air Quality Indicator Bar lets you know it's working by changing colors Powerful 2-stage filtration combines a HEPA Media and odor filters filter to capture 99Percent of particles Replacement filter indicator + built-in timer with auto shut off Designed for medium rooms such as kitchens, dens and large bedrooms