Chemex employs all of the chemically correct methods for brewing. It's 6 cup hourglass shaped flask is made entirely of glass, a chemically inert material that does not absorb odours or chemical residues. The Chemex has no moving parts and will work forever, unless it is dropped or in some other way demolished.
The Chemex makes clear, pure and flavourful coffee free of bitterness and sediment. Check out our brewing guides for more information.