Zehnder ComfoWell Filter Housing CW-F 320 bathroom-fans-silent-view-all it looks at the duration

it looks at the duration of occupancy to define running time rather than have a fixed running period

tablets or compatible Testo measuring instruments

Tech and Carbon

60 or 90 minutes depending on selection

Airflow DV250 filter 2 x G4 material 90000410

Zehnder ComfoWell Filter Housing CW-F 320 bathroom-fans-silent-view-all it looks at the durationZehnder ComfoWell filter housing CW F 220. Rectangular compact design for use with a fine pollen filter graded ISO ePM1 >80% (F7), a fine dust filter graded ISO ePM1 >90% (F9) or an active carbon filter to neutralise odours in the supply air duct run. The filter elements are not included with the filter housing and need to be purchased separately. The filter housing can be used individually or in combination with all ComfoWell components. The airtight