LUEHR FILTER has been a wholly-owned subsidiary of MARTIN GmbH für Umwelt- und Energietechnik since November 2025.

LUEHR FILTER GmbH is a globally operating family business with over 80 years of practical experience in the development and construction of air pollution control systems. 350 employees work at the company's headquarters in Stadthagen and at the branches in Austria and Poland. Via subsidiaries, holdings or partner companies, LUEHR FILTER is represented in most European countries as well as in North and South America, Russia, Turkey, Korea and Australia.

LUEHR FILTER designs complete systems for separating particles and gaseous contaminants from air and flue gases. The comprehensive range of services extends from project initiation to system commissioning and also covers aftersales services. Key components are manufactured at company-owned production facilities in Germany (Stadthagen), additional European countries and in Asia.

As a technology leader in the field of air pollution control and thanks to customized solutions, the company is the partner of choice for sustainable environmental protection.