Features: Intelligent and balanced body design, professional design of water supply structure, can stop you in the process of using water leakage. It can effectively filter the toxic substances in the air and make you breathe healthier. Water level display window, side water level display window, can clearly understand the current water level. The water tank is equipped with nanometer antibacterial silvery wire bag, which can effectively inhibit the breeding of bacteria, microorganism and algae, and maintain the cleanness of the product and the health of users. Small size and portable, convenient to carry.