Zehnder Filter set 10 x Coarse 60% (G4) for ComfoAir 70 990 323 605 AVAILABLE TO BACKORDER FOR DELIVERY

AVAILABLE TO BACKORDER FOR DELIVERY 1ST WEEK OF OCT 2026

The kit is suitable for use with Sienna

1 x External white grille

Integral adjustable electronic overrun timer (5-30 minutes)

In-line Mixed Flow fan

Zehnder Filter set 10 x Coarse 60% (G4) for ComfoAir 70 990 323 605 AVAILABLE TO BACKORDER FOR DELIVERYThis set consists of 10 x filters Coarse 60% (G4) suitable for use with the Zehnder ComfoAir 70. Coarse 60% is the name according to the new filter standard ISO 16890. Coarse refers to particles measuring 10 microns. Coarse 60% means that at least 60% of particles in the size interval 10 micron are removed. G4 is the classification earlier used. Filters can be used for supply and extract air.