Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 AX3703 G4 and F7 are the

G4 and F7 are the classifications earlier used

with ComfoSense 67

orange and red visual air quality indication light

Dwelling Supply Air Comfort Control (reduces the amount of cold air being supplied to dwelling)

25M Q+ TP443HMB H200 Q+ TP451HMB TP452HMB TP453HMB HRV20 Q+ TP652HBM

Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 AX3703 G4 and F7 are theThis set consists of ten filters, five filter Coarse 60% (G4) and five filter ePM1 50% (F7). Coarse 60% and ePM1 50% are the names according to the new filter standard ISO 16890. Coarse refers to particles measuring 10 microns. ePM1 refers to particles measuring 0,3 1 microns. Coarse 60% means that at least 60% of particles in the size interval 10 micron are removed. ePM1 50% means that at least 50% of particles in size range 0. 3 1 micron are