Zehnder Filter set Coarse 60% (G4) + ePM1 50% (F7) for Comfoair 500 990 323 630 Interior Gray pockets for better

Interior Gray pockets for better visibility

Its SMARTer beacuase it only looks and reacts to man made humidity

R507 (AZ50)

A preferred method of ventilation in Building Regulations Part F Volume 1: Dwellings

85 Q+ Version TP407A

Zehnder Filter set Coarse 60% (G4) + ePM1 50% (F7) for Comfoair 500 990 323 630 Interior Gray pockets for betterThis set consists of two filters, one filter Coarse 60% (G4) and one filter ePM1 50% (F7) for Comfoair 500 Coarse 60% and ePM1 50% are the names according to the new filter standard ISO 16890. Course refers to particles 10 micron. ePM1 refers to particles 0,3 1 micron. 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 removed G4 and