Purifies a surface of 18 m² or 45 m³. CADR class (smoke, dust, pollen): 126 / 129 / 124. Purification in 4 steps: 1. Charcoal filter absorbs organic chemical products, odors. 2. HEPA filter filters particles and allergens (smoke, pollen,...) 3. Anti-microbial therapy AeraSafe TM reduces the development of bacteria, mould and fungus on the HEPA filter. 4. The PlasmaTrue TM technology neutralizes air molecules, virures and bacteria. Aera+TM is designed for extreme allergies and increases the air flow rate by 35%, in order to destroy air allergens. The motion sensor AerasmartTM analyses the quality of the air in real time and adapts automatically the speed of the ventilators. Very silent. Guarantee: 3 years.