Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 AX3703 All backed with a three

All backed with a three year guarantee

G4 and F7 are the classifications earlier used

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

with ComfoSense 67

ePM1 50% means that at least 50% of particles in size range 0

Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 AX3703 All backed with a threeThis 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