H201 CO., LTD., a company based in Seoul Korea and specializes in making one of the best vitamin shower filters in the world. With changes in lifestyles and values, people have begun to pay more attention to the quality of not only drinking water but to water that washes us.H201 shower filter, with its nourishing and moisturizing effects, is good for skin health and it is recommended for people with conditions of eczema. It is our mission to help more people around the world to have safer and more pleasant showers.