Perfect humidifier for home, large room, office, greenhouse and warehouse. Each purchase is 1 unit. Visualization of the water level line, top-mounted control panel, the machine can also add water during operation. 13L large capacity, enough to humidify 120 square meters room all day, no need to add water frequently. Active water cycle, healthy humidification, multiple filtration. Uer pumping type, eliminate water leakage problems. 3D cycle technology, 60 square meters-200 square meters whole house humidification, alicable to a variety of room types.