Profile: Filter Factory, Inc. specializes in manufacturing micron rated filter bags. Our filter media includes polyester and polypropylene felt, nylon monofilament mesh and polyester multifilament mesh. We provide rings, which is available in carbon steel, stainless steel, plastic and plastic flange tops. We offer several multi layer graded density bags. Our fuji metal fiber is a non-woven filter made of laminated, sintered layers of metal fiber felt. We produce two different types of activated carbon filter cartridges.