3M Purification, formerly known Cuno, comes from the Company’s founder, Charles Cuno, who started the Company in 1912 in Meriden, Connecticut.

3M Purification is a world leader in the design, manufacture, and marketing of filtration products for the separation, clarification, and purification of fluids and gasses. Its proprietary products are widely used throughout the global healthcare, industrial, and water markets to make customers more successful.

From custom engineered solutions for water to their patented carbon block technology to HVAC filtration management, 3M can help. With solutions, technology and over 100 years of experience, 3M Purification is ready to work with you.

Custom Filtration for Water

3M Purification Inc. is the global leader in creating successful, innovative, new business opportunities in partnership with OEMs.

Life Cycle Commercial HVAC Filtration Management

The precise balance of electret and mechanical elements combined with the innovative, open filtration media structure contribute to longer filter life.