3M Purification

3M Purification (formerly CUNO) engineers invented a patented cellulose based filter that was charge modified, permitting the filtration of sub-micron particles, smaller than the pores of the filter. CUNO was a pioneer in the development of microporous membranes, and patented the use of nylon 66 for the formation of filtration membrane. The Company launched a full line of products under the Aqua-Pure® brand name. Most recently CUNO patented a unique carbon block process that results in a product that reduces a wide variety of chemical contaminants in water while delivering high flow rates and low pressure drop. The combined entity participates in virtually all the key markets for liquid filtration. CUNO has fully integrated into 3M’s international organization capitalizing on the growing market for cleaner fluids in industry and cleaner, better tasting water for people around the world.

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400 Research Parkway Meriden, CT 06450
Tel: 800-243-6894