XiaoMi Air Purifier Model 4 MAX (suitable for minimum area of 56㎡ and above)
Authentic formaldehyde sensor from Switzerland | Formaldehyde removal efficiency 8 times higher than national standard | Suitable for large areas up to 96㎡
Air Filter 4 MAX > https://www.fujisiam888.com/product-page/mi-air-purifier-4-max-filter
🌬️ Powerful air purification, covering wide areas up to 96㎡
Mi Air Purifier 4 MAX is designed for powerful air purification, ideal for homes, offices, and large spaces (56–96㎡) 🌟 Equipped with a Swiss-imported sensor 🏔️ advanced filtration system, and smart app control 📲 for clean, pure, and safe air every day 🍃
🔹 Key Features
🛡️ Formaldehyde sensor imported from Switzerland
- Uses solid-state sensor from Switzerland to detect air pollutants in real time
- Accurately detects formaldehyde, VOCs, and harmful gases for the safety of you and your family
🚀 Removes formaldehyde 8 times better than standard
- Eliminates formaldehyde with efficiency 8 times higher than general standards
- Perfect for newly renovated homes, office buildings, and high-pollution areas
🌀 Fast purification with powerful airflow
- CADR for particles: 800 m³/h – removes dust, smoke, pet dander, and allergens
- CADR for formaldehyde: 400 m³/h – effectively eliminates toxic substances in the air
- Air circulation rate: 600 m³/h – covers large areas thoroughly
- Delivers 13,333 liters of clean air per minute for rapid purification
🎯 Multi-layer filtration system for effective pollutant removal
- Advanced composite filter technology removes bacteria, dust, allergens, smoke, and formaldehyde
- Dual high-efficiency filtration captures fine particles and toxins excellently
- Removes up to 99.99% of air pollutants
🔇Quiet and energy-saving
- Noise level: 31.7–64dB – quiet purification without disturbance
- Consumes only 75W – energy efficient and long-lasting
📱 Smart app and button control
- Supports Xiaomi Home app control – customize anytime, anywhere
- Supports voice commands – easy to use with smart home systems
- Includes physical button control – convenient and simple operation
📊 Technical Specifications
- Model: AC-M21-SC
- Dimensions: 386 × 386 × 975 mm
- Applicable area: 56–96㎡
- CADR for particles: 800 m³/h
- CADR for formaldehyde: 400 m³/h
- Noise level: 31.7–64dB
- Power supply: 220V, 50Hz
- Power consumption: 75W
- Filter type: High-efficiency composite filter
- Control method: Smart app, physical button
📦 In the Box
✔ 1× Air Purifier MAX
✔ 2× High-efficiency filters
✔ 1× Power cable
✔ 1× User manual
(1-year warranty)
How to connect via app (select Chinese Mainland)
1️⃣ Open Xiaomi Home app → Log in with Mi Account (sign up if you don’t have one)
2️⃣ Add the air purifier
🔹 If device appears → tap to connect!
🔹 If not → tap ➕ at top right → Air Treatment → Air Purifier → Mijia Smart Air Purifier 4 MAX
3️⃣ Connect to Wi-Fi
🔹 Select Wi-Fi (supports only 2.4GHz/n)
🔹 Enter password and tap OK
🔹 (iOS: app will redirect to Wi-Fi settings, select purifier Wi-Fi name, then return to app)
4️⃣ Wait until connection succeeds 🎉 Ready to use!
💡 If connection fails → reset by holding the brightness adjustment button (left button) for 7 seconds until you hear “beep-beep” and the Wi-Fi icon blinks, then try reconnecting 🚀
