The Hru-FlatAIR recuperator offers the possibility of air filtration. The level of filtration depends on the class of filter used. As standard, the recuperation unit is equipped with pocket filters of G4 class. The pleated construction of the filter ensures a larger filtration surface and low pressure drops. The filters are classified as ISO coarse 70% according to ISO 16890.
It is possible to order filters for a recuperator with a higher filtration class, e.g. if we are allergic or want to protect ourselves effectively against smog. The F7 filters belong to the group of fine filters according to EN 779:2012 and ePM1 55% according to the new classification in accordance with ISO 16890.
