Zehnder ComfoAir 200 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs Less than 100m² The temperature difference between object

The temperature difference between object and background must be at least 4C

Long Chimney Kit in Stainless Steel (506mm - 890mm) KIT0010439 for 80cm

Zehnder P/N 659 000 120

25M Q Plus & H200 Q Plus

The SRD100 runs with 70% less noise than conventional fans

Zehnder ComfoAir 200 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs Less than 100m² The temperature difference between objectIdeally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings). Zehnder P N 400 100 013