The air we breathe inside is often of poor quality and most of the contaminants are not visible to the eye. The Beurer LR330 with its effective three-layered technology- consisting of a pre-filter, HEPA filter and activated carbon filter is able to filter out 85% of impurities. It can also be used to ensure the air is at the optimum humidity of 40-60% providing you with almost perfect air to breathe. Air cleaning using a 3 layer filter system. HEPA, active carbon filters and a prefilter. Easy clean filter. Suitable for room size 35m. Cold/evaporative humidification. 4.6 L water tank. Visible water level. Auto shut-off. 3 speed settings. Variable control. Quiet operation. Washable filter. Size H36.2, W37, D26cm. Low energy consumption. Manufacturers 3 year guarantee.