Samsung Air Purifier with 50 m² is a Quickly purifies a wide area, reaching from corner to corner. A Front Air Inflow easily draws in air and a Power Fan spreads clean air in 3 directions, so it reaches much wider and faster with a high CADR. its also Keeps the air pure with a 4 step purification system. It removes various harmful gases like formaldehyde and up to 99% of ultra fine dust, and eliminates up to 99% of certain viruses and allergens. good to have this. recommended