Zehnder Filter set 10 x Coarse 60% (G4) for ComfoAir 70

This set consists of 10 x filters Coarse 60% (G4) suitable for use with the Zehnder ComfoAir 70.

Coarse 60% is the name according to the new filter standard ISO 16890. Coarse refers to particles measuring 10 microns. Coarse 60% means that at least 60% of particles in the size interval 10 micron are removed. G4 is the classification earlier used. Filters can be used for supply and extract air.