The air purifier is 2in1 with an interchangeable HEPA filter and activated carbon filter. The 3-speed air purification fan is designed for rooms up to 27 m2. It also features a soothing light projector with 20 pre-installed lullabies and natural sounds. You can activate a timer that can be set on 3 levels (3h / 6h / 12h). Replacement filters can be ordered separately.