AIRDOCTOR AD4000 Air Purifier. Perfect for Large Rooms, Basements Up to 2,776 ft2. Removes Smoke, Dust, Pet Hair, Odors, Pollen. Hospital-Grade UltraHEPA & Premium Carbon Filtration

IDEAL FOR LARGE BEDROOMS, KITCHENS & SHARED SPACES Ideal for large bedrooms, kitchens, and larger shared spaces. Rapidly cleans 694 ft2 in 15 minutes & up to 2,776 ft2 in 1 hour, delivering consistent purification where you sleep, work, and relax.

HOSPITAL-GRADE ULTRAHEPA FILTRATION AirDoctor AD4000 uses UltraHEPA filtration to capture 99.99% of airborne particles at 0.003 microns, 100x smaller than the HEPA standard. Removes dust, smoke, pet dander, and more

PREMIUM ACTIVATED CARBON FILTER FOR GASES & ODORS: Reduces toxic gases, odors, pet smells, cooking fumes, gas emissions, wildfire smoke, and VOCs. Made with activated carbon and potassium permanganate to absorb and break down gases and airborne chemicals

REMOVES COMMON INDOOR AIRBORNE POLLUTANTS. 3-stage filtration, backed by rigorous third-party testing, removes dust, smoke, pet dander, pollen, and odors. Includes a Pre-Filter, Premium Activated Carbon filter, and UltraHEPA filter

AUTO MODE WITH AIRDOCTOR HALO. PM2.5 sensors monitor air in real time while the Halo displays color-coded quality levels. Auto Mode adjusts fan speed and activates Boost when needed. Includes timer, filter indicator, and 6 fan speeds