For Installer

For User

Installation Instructions

Technical specificationsX


3 filters for sound insulation screen 9/IBS, filter class G2, dimensions (Ø): 140 mm, washable

Filter change

Check the filter for dirt every three months and change it if necessary. Filters made of filter foam can be washed in the dishwasher, pollen filters may only be cleaned by suction. After inserting the filter, engage the cover in the open position.
When using the sound insulation screen in conjunction with electrically operated units, the respective control usually has a filter change indicator which signals when the filter needs to be changed.


Art.-no. 039 984





For more information on how to use our ventilation units, take a look at