Designed by Matti Walker for Stadler Form the Robert is a humidifier utilizing evaporative technology and an air purifier turning the water within the machine over a series of washable discs engineered to remove large particles such as dust or dander from the air. Defined by a minimalistic design reflected in his soft rounded corners contrasted to sleek lines and classic tones Robert makes an aesthetically pleasing statement complementing existing decor. The black aluminum strip down Robert's center garners visual appeal guiding the eye towards a motion-activated touchscreen displaying three automated modes of use and a digital reading of the room's relative humidity. When set to auto- mode Robert intuitively monitors and measures the room's humidity maintaining your perfect level of moisture throughout the whole day. The result is clean hydrated air creating a steady and calm environment in the room of your choice. Features Four speed levels and three automated modes for ease of use - night-mode clean-mode and auto-mode. Includes a thermostat and two ultra-quiet speed levels efficiently heating spaces up to 160 sq. ft. Remove and separate the discs from within the Robert and hand wash or add to the top row of your dishwasher for easy cleaning. Robert efficiently humidifies a space up to 860 sq. ft. in size using a digital hygrostat and will automatically shut off when the 1.7 gallon water tank is empty. Suitable Accessories - Water Cube Anticalc Cartridge Zero Calc or Stadler Form Pure Essential Oils. Color - Silver. Dimension - 9.25 x 12.6 x 18.5 in.