MacCLEAN - About Us

About CUNO Water Treatment

CUNO Water treatment has been in the business of manufacturing quality water treatment equipment for over 70 years. Originally founded as Chemical Engineering Corporation by Charles Sidell in 1934, the company gained national acclaim in later years with its revolutionary Chem-Free Iron Reduction Systems.

CUNO Incorporated is a world leader in the design, manufacture and marketing of a comprehensive line of water filtration and treatment products. 3M Company's acquisition of CUNO has broadened our expertise in technologies and manufacturing capabilities.

CUNO's technical team is available before, during and after the sale providing expert advice and assistance to help you choose or maintain your investment. CUNO products have comprehensive warranties backed by an industry leader in water filtrations and treatment products.