With an efficiency of 126 m²/h, the Xiaomi Smart Air Purifier 4 Lite is suitable for rooms of up to 45 m². To ensure that fresh breathing air is available in every corner of the room, the air purifier has a three-dimensional 360° circulation system that distributes the freshly purified air as evenly as possible. It also has a Clean Air Delivery Rate (CADR) of 360 m³/h, which corresponds to 6,330 litres of purified air per minute. The 3-layer filter system removes up to 99.97 % of 0.3 µm particles.