The device requires no installation of hardware, without the need to use tanks and without the use of electricity, water purification other benefits it can take full advantage and efficiency mentioned 100 percent means that, unlike other devices on the market. no water, no sewage waste any controversies. This product, the company owned Korea and one year warranty and support services are ten years old. In addition to home use, it is recommended that hospital and laboratory applications that require high precision and sensitive waters are also used.