Zehnder Filter set 2x Coarse 60% (G4) for ComfoSpot 50 990 323 605 it brings all of the

it brings all of the benefits of a heavy duty acid cleaner but is considerably safer to use

1 and CV3 Low Energy dMEV Fan

CO environment and pressure

If lots of the same ventilation systems are used

5 x filters

Zehnder Filter set 2x Coarse 60% (G4) for ComfoSpot 50 990 323 605 it brings all of theThis set consists of 2x filters Coarse 60% (G4). Coarse 60% is the name according to the new filter standard ISO 16890. Coarse refers to particles 10 micron. Coarse 60% means that at least 60% of particles in the size interval 10 micron are removed. G4 is the classification earlier used. Both filters can be used for supply and extraction air.