MINNEAPOLIS (October 19, 2004) â Donaldson Company, Inc.s new Industrial Filtration Solutions brochure highlights co.s core strengths and comprehensive filtration offerings for industrial air, compressed air and gas, hydraulics, and process air, gas and liquids. A single source for every filtration need, Donaldson offers highly efficient, reliable and innovative solutions for all processing markets including pharmaceutical, food, metalworking, woodworking, plastics, glass, mining and cement.For more information, call 800-365-1331 or send an e-mail to [email protected].