Levoit LEVOIT Smart HEPA Air Purifiers for Large Home Bedroom 166m², CADR 400m³/h, Alexa & APP, Air Quality Sensor with Auto Mode, Removes 99.97% Pollen Allergy Dust Smoke Pet, Core 400S

High Efficient Air Filtration: The Core 400S filters your entire room in minutes. Use the intuitive app with full feature control, or rely on high fan speed to improve airflow and add cooling comfort in summer

Large Purification Area 360°: Air intake optimal for living room, office, kitchen, bedroom. The powerful HEPA technology brings in air from 360°, which is why it can clean your 166㎡ room once an hour and 83㎡ room 2x an hour

Breathe Easier Through Hay Fever Season: Seasonal sneezing or congestion may be caused by airborne pollen. The Core 400S with 3-stage HEPA filtration and smart PM2.5 sensor tracks air quality and removes pollen and irritants, while Auto Mode adjusts in real time to help reduce exposure day and night

3-Stage HEPA Filter: The Core 400S not only traps particulate matter like dust, fur, lint and hair down to the tiniest particles, zero point three microns! How big is a micron? A human hair is seventy microns thick! You'd need to magnify 500 times to see a single micron

PM2.5 Smart Sensor & Auto Mode: AirSight Plus technology detects PM2.5 and airborne particles in real time, then automatically adjusts fan speed for efficient purification

Silent Operation - Whisper Quiet: when you leave both running all night. You hardly know it's on, sometimes you have to check the display to be sure, it's that quiet

Genuine Filter Replacement: For peak performance, use genuine replacement filters to look for "LEVOIT Core-400S-RF". Monitor filter status via app, replace every 6-12 months

Worry-Free Support: Comes with a 2-year warranty and lifetime support, Levoit customer support team will always be here to help