3M Separation & Purification Sciences Division

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Founded in 1912, CUNO Incorporated is one of the leading companies in the world that designs, manufactures and markets a range of of filtration products for the separation, clarification, and purification of fluids and gasses. Its products are used in the health care, industrial and drinking water markets. The company also offers filtration products for gas processing, oil refining and petrochemical applications. CUNO Incorporated additionally provides engine and hydraulic metal filters. The company operates more than five manufacturing facilities in the United States, Europe, Japan, Brazil and Australia. It has achieved ISO 9001 certification. CUNO Incorporated is a part of 3M.