D-Mark

D-Mark, Inc. founded by Jay Kasmark in 1970, was acquired by Rensa Filtration in October of 2018. Rensa Filtration has acquired a number of companies in the past year including Air Filtration Holdings, LLC and RoboVent. By adding the carbon based product line of D-Mark, Rensa Filtration now offers a complete line of media filtration, custom commercial filtration systems and the broad line of carbon media filters manufactured by D-Mark, Inc.