Smartmi Air Purifier 3

The Smartmi Air Purifier 3 is a high-performance air purifier designed for medium to large rooms. With a CADR of 400 m³/h and a 3-in-1 HEPA H13 filter, it effectively removes 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, smoke, and pet dander. Its smart connectivity allows control via the Mi Home app, Smartmi Link app, Google Assistant, and Amazon Alexa. The OLED touch display shows real-time air quality, temperature, and humidity, while the color-coded LED indicator provides instant feedback. Ideal for allergy sufferers, pet owners, and anyone seeking cleaner air.

Advantages

High CADR of 400 m³/h covers up to 49 m². Smart features with app and voice control. Real-time air quality monitoring with laser particle sensor. Low noise levels from 31 dB(A) in sleep mode. Child lock for safety. Energy-efficient with only 38 W power consumption.

Suitable for

• Living rooms, bedrooms, and offices up to 49 m²
• Allergy and asthma sufferers
• Pet owners
• Smart home enthusiasts

Key specifications

• CADR (PM): 400 m³/h
• Formaldehyde CADR: 60 m³/h
• Filter: 3-in-1 (Primary, HEPA H13, Activated Carbon)
• Filtration Efficiency: 99.97% at 0.3 microns
• Noise Level: 31-64 dB(A)
• Connectivity: Wi-Fi 2.4 GHz
• Smart Home: Mi Home, Smartmi Link, Google Assistant, Amazon Alexa
• Display: OLED Touch
• Sensors: Laser Particle (PM2.5), Temperature, Humidity
• Rated Power: 38 W
• Voltage: 100-240V ~ 50/60Hz
• Fan Speeds: Auto, Sleep, Favorite, Manual
• Filter Lifespan: 6-12 months
• Child Lock: Yes
• Air Quality Indicator: Color-coded LED

Recommendations

For optimal performance, place the purifier in the center of the room and replace the filter every 6-12 months depending on usage. Compatible with Smartmi replacement filters.