The Russian National Library has been equipped with the largest profivac central vacuum system to date. Libraries tend to accumulate a significant amount of dust, which conventional vacuum cleaners can exacerbate by redistributing dust onto books. With a central vacuum system, dusting and the associated time and cost are drastically reduced. At the National Library, 2 profivac 14000 units are in use!
National Library of Russia, St. Petersburg These two devices are operating at full capacity with 487 suction points distributed throughout the entire building. That amounts to a total of 11 kilometres of suction lines!