Known as a pristine coffeemaker, Chemex employs all of the chemically correct methods for brewing. It's hourglass shaped flask is made entirely of glass, a chemically inert material that does not absorb odors or chemical residues. The Chemex has no moving parts and will work forever, unless it is dropped or in some other way demolished. Chemex brewing gives you total control over brew time and flavor extraction. 8 cup capacity: 40 oz, or eight 5 oz cups PURCHASE FILTERS HERE