Zehnder Filter set 10 x Coarse 60% (G4) for ComfoAir 70 990 323 605 Integral adjustable electronic overrun timer

Integral adjustable electronic overrun timer (5-30 minutes)

AVAILABLE TO BACKORDER FOR DELIVERY 1ST WEEK OF OCT 2026

In-line Mixed Flow fan

2Ah battery available to purchase

Zehnder Filter set 10 x Coarse 60% (G4) for ComfoAir 70 990 323 605 Integral adjustable electronic overrun timerThis 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.