Original plumbing trade vintage catalog for ZEOLITE CHEMICAL COMPANY, was located at 87 West Street, New York City, NY. Manufacturers of ZECO Greensand, a natural base-exchange mineral used for water softening, filtration and iron removal. Unbound from a large 1936 architectural catalog, this unique old one page technical brochure would display beautifully matted and framed. A fantastic addition to your retro plumbing collection.