Chemex 6-Cup Pour-Over Coffee MakerCHEMEX simple, easy to use with timeless, elegant design All CHEMEX Coffeemakers are made of the highest quality, non porous Borosilicate glass which will not absorb odors or chemical residues The patented CHEMEX pour over design allows coffee to be covered and refrigerated for reheating without losing flavor All CHEMEX Coffeemakers are measured using 5 oz. as 1 cup Use CHEMEX Bonded Filters FP 1, FC 100, FS 100, FSU 100, Filters not included.