Welcome at Riensch & Held: Your filter experts!

Many studies have proven that laser printers emit fine dust. As reported in the newspaper "Süddeutsche Zeitung" physicians of the Queensland University of Technology have found out that some types do emit a lot of fine dust. Consequently a find dust pollution in offices accur that is four times higher compared to the air around the motorway. (17. Mai 2010, Süddeutsche Zeitung)


Easy breathing in the office: Under our brand "Clean Office" we offer innovative filter solutions especially developed for your workplace.

Riensch & Held in Hamburg was founded in 1845 and is specialized in the manufacturing of filters. Beside a large product range, further on we offer our customers idea-finding, development and construction of efficient filter types. All products are "Made in Germany" and are produced in the Riensch & Held factory in Hamburg.