Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 990 323 505 125 mm duct to fitting

125 mm duct to fitting connector (GD932SSCI) to

VIGOR PLUS SET UWA-2E

Tube to soil stack adaptors - 10mm or 6mm Hose FP2038

Zehnder P/N 990 320 573

180mm probe with cone

Zehnder Filter set 10 x Coarse 60% (G4) + ePM1 50% (F7) for ComfoAir 70 990 323 505 125 mm duct to fittingThis 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