Aquasana brings high quality home water purification systems imported from the USA. The main product types are: direct drinking water purifier for kitchen, direct connection water purifier, bath water purifier and whole house central water purifier. Advantages of Aquasana: Not only does it remove common water contaminants like simple chlorine and heavy metals, but it also removes some very dangerous chemicals that have been found in water, including volatile organic compounds, herbicides and pesticides, methyl tertiary Butyl ether and trihalomethane.