Designed to be the ultimate performance air purifier, Airdog X8 is the largest of the Airdog X Series line of purification. With a high and mighty CADR rating, Airdog X8 can move 470 cubic feet of clean air per minute, allowing up to 3000 square feet of continuous purification - doubling the power of the Airdog X5. In addition to harnessing Airdog's patented TPA Technology, the X8 also includes a wireless Air Quality Index Sensor, allowing you to test the air quality throughout your entire home or workplace!