Tri-Dim’s Acquisition by Mann + Hummel Finalized


LOUISA, VA (August 31, 2018) – Tri-Dim Filter Corporation announced today that they have been officially acquired by MANN+HUMMEL, a $4 billion privately-held global filtration expert.  The transaction, which was announced in July 2018, has secured regulatory approval and met customary closing conditions.

Based in Ludwigsburg, Germany, MANN+HUMMEL employs over 20,000 people in 80 countries.  As one of the world’s leading filtration companies, MANN+HUMMEL develops solutions for motor cars, industrial applications, clean air in interior spaces and the sustainable use of water.

“We are very excited to join the MANN+HUMMEL team, which will enhance Tri-Dim’s manufacturing capabilities and global reach, opening doors that were never possible for us before,” said Darren Hernandez, President & CEO of Tri-Dim Filter Corporation.  “MANN+HUMMEL is committed to protecting the values of Tri-Dim and ensuring that we retain our valuable people and customer-oriented philosophy.  It’s a very exciting time for us all.”

With headquarters in Louisa, Virginia, Tri-Dim Filter Corporation is a privately-held air filtration company with approximately 800 employees. Tri-Dim is a provider of a full-line of HVAC filtration products and services, including air & liquid filtration, HVAC supplies, cleanroom filtration, air purification equipment, gas phase filtration, and IAQ testing & remediation.

The Tri-Dim group will be integrated into MANN+HUMMEL’s Life Sciences & Environment business unit, and it will continue to be headquartered at the company’s Louisa, Virginia location.  Darren Hernandez, who served as CEO of Tri-Dim, will continue to provide his full ongoing support as Senior Executive Advisor.  Mark King, previously the Chief Operations Officer, will assume the role of President and assume the day-to-day leadership of the company.

About Tri-Dim

Tri-Dim Filter Corporation is a leading manufacturer of HVAC filtration products and services in North America.  The company is headquartered in Louisa, VA with locations throughout the United States and Canada.  Tri-Dim is the leader in offering innovative filtration products and solutions in HVAC filtration , liquid filtration, IAQ testing, air purification equipment and gas phase filtration.  Tri-Dim Filter Corporation has 19 locations in the United States and approximately 800 employees.


MANN+HUMMEL is a leading global expert for filtration solutions. The company group with its headquarters in Ludwigsburg, Germany, develops solutions for motor cars, industrial applications, clean air in interior spaces and the sustainable use of water. In 2017 the group achieved sales of approx. 3.9 billion euros worldwide with more than 20,000 employees at more than 80 locations. The products manufactured by the group include air cleaner systems, intake manifold systems, liquid filter systems, plastic components, filter media, cabin filters, industrial filters and membrane filters.  Further information about MANN+HUMMEL is available at

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