The 4-in-1 Air Purifier features a multi-layer air purification system specifically designed to help improve the air quality for those with sensitivity to airborne particles and general air cleanliness at home. This efficient air purifier can capture up to 99.97% of dust with a Clean Air Delivery Rate of 42m³/h. Use the simple one-button design to choose between 2 power modes with whisper-quiet operation. This versatile air purifier is perfect for bedrooms, offices and living areas.