The air purifier W300 is characterized by its efficiency and simplicity. With the additional water tank we have thought of your comfort. You can run the device easily for up to three days and thereby achieve an ideal air humidity in your four walls. Operation is characterized by simplicity. The rotary switch can be used to select between two power levels for day or night operation. A red LED indicates that the water is topping up.In addition to the comfortable operation, simple cleaning was also thought ofmost parts can be put comfortably in the dishwasher or the washing machine and thus saves the time-consuming hand-scrubbing. Through its simple, modern design the W300 fits in every living room or office.The air scrubbers moisten and wash the air. The long-lasting evaporation mat rotates through the water, thereby enriching the air with moisture. The water serves as a natural filter, which frees the air from impurities (such as larger particles such as pollen and house dust). The e