Our original and classic AirDoctor, now with a wifi connected app! You can now have real time air quality alerts, filter change alerts, device control and device sharing at your fingertips. The AirDoctor 3500i is powerful enough to protect the air in bedrooms, living rooms, kitchens and more. Circulates the air in 630 sq. ft. 4x/hour or in 1,260 sq. ft. 2x/hour.
