Original industrial trade vintage catalog for INTERNATIONAL FILTER COMPANY. Main office and factory was located at 42 South Dearborn Street, Chicago, IL. Manufacturers of water softening and filtration plants for municipal, industrial and domestic supplies. Battery, style L, gravity and disk filters. Disbound from a large 1916 industrial catalog, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library. Page is detached and may contain a small amount of residual glue on edge.