CHEMEX delivers the purest flavor experience. Made of non-porous Borosilicate glass which will not absorb odors or chemical residues. Simple, easy to use with timeless, elegant design. 3 Cup use FP-2 Half Moon Filters 8 Cup use FS-100 Square Filters Use CHEMEX® Bonded Filters FP-1, FC-100, FS-100, FSU-100