Tri-Dim Filter Corporation was acquired by MANN+HUMMEL in August 2018. As one of the world’s leading filtration companies, MA ... NN+HUMMEL develops solutions for motor cars, industrial applications, clean air in interior spaces and the sustainable use of water. Founded in 1968, by John Stanley, Tri-Dim® Filter Corporation is based on the principle of ‘Value-in-Use’. In short, we believe that the true value of a product should come from the product's use. We honor this foundational principle today by providing such benefits as a longer service life, better efficiencies, and quality products. This is still our guiding philosophy as we strive to create energy savings through innovative approaches to air filtration. By utilizing this ‘Value-in-Use’ philosophy Tri-Dim has experienced dramatic growth over the past several decades and has emerged as an industry leader. Our future looks brighter with each day that passes as we build on a strong history, to move ahead under creative leadership, while offering revolutionary solutions and services. Our product and service offerings have grown to include air filtration, liquid filtration, HVAC supplies, cleanroom filtration, air purification equipment, gas phase filtration, IAQ Testing, IAQ Remediation, and filter changing services. read more