The DH Lifelabs Aaira + Humidifier Air Purifier Grey works by cleaning, deodorizing and moisturizing the air using a natural molecule of non-iodized salt, water and electrolysis (HOCI). It ensures the air surrounding it is eliminated of 99.9% of airborne viruses, bacteria and mould for the best air quality possible in your home or workplace. It swiftly captures and eradicates dust, smoke, pet dander, pollen, allergens and odours within 50 square meters of itself due to its 360° reach for a pleasant and fresh aroma. HOCI helps to prevent congestion, coughs, dry throat and dry skin caused by dry climates due to its natural deodorizing and air-hydrating qualities. Its larger size makes it perfect for larger rooms such as offices, nurseries and living rooms, sitting nicely on a countertop, bedside table or console table. Dimensions: 34.7 (H) x 27 (W) x 27 (D) cm. 3 Fan Speeds - Sleep, 2 and 3. 2 hour, 4 hour and 8 hour timer. Operates at Power Consumption: 22 Watts. Weight: 3.3kg (without water).