Gerhard Weis

MANN+HUMMEL GmbH engages in the manufacture and development of air filtration systems. It specializes in air cleaners and intake systems, liquid filter systems, solutions for alternative drives, industrial filters, indoor air quality, fine dust eater, digital transformation, water treatment, waste water treatment, and membrane filtration for food and dairy products. The company was founded by Adolf Mann and Erich Hummel in 1938 and is headquartered in Ludwigsburg, Germany.

Mann + Hummel Holding GmbH operates as a holding company with interest in developing and producing industrial filters and systems for the mechanical engineering and automotive industries. The company is headquartered in Ludwigsburg, Germany.