Zehnder Filter set 2x ePM1 50% (F7) 400 502 013 Thanks to research into both

Thanks to research into both air flow characteristics and materials

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Zehnder P/N 471 502 022

This makes the installation of the units simple and appropriate in most properties

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Zehnder Filter set 2x ePM1 50% (F7) 400 502 013 Thanks to research into bothThis set consists of 2x filters ePM1 50% (F7). ePM1 50% is the name according to the new filter standard ISO 16890. ePM1 refers to particles 0,3 1 micron. ePM1 50% means that at least 50% of particles in size range 0. 3 1 micron are removed. F7 is the classification earlier used. Both filters can be used for supply and extraction air.