Used for 3 years. Can be used for 7-8 years (or more if properly cared for). It was imported directly from the USA. Note: This is not the same as the distilled water you get at the store. How does it work: A water distiller purifies water by boiling it into steam and then cooling the steam back into a liquid. This process separates pure water from impurities, as most contaminants, heavy metals, and minerals do not evaporate and are left behind in the boiling chamber. Uses: for drinking, cooking, making herbal teas & herbal tinctures, basically anything that requires exceptionally clean water. Note: To drink it plain, you need to remineralize it. You can do this by adding a few drops of lemon juice, fruit juice, salt, or organic edible powders, etc. Why a distiller: It has no plastic involvement like RO filters. It can give you the purest form of water.