Recommended by the Swedish Asthma Allergy Association, 728m³/h super clean air output, the maximum applicable area can reach 87m², suitable for villas, large living rooms, master bedrooms, small commercial and office places, etc., 10 meters air supply radius, fast cleaning without dead ends In sleep mode, it also has a clean air output of 223m³/h, which is equivalent to the performance of a conventional air purifier. With the help of a filter, it also has a sterilization ability of >99%, which protects health.