- In most extract fans the vibration is transmitted to the surrounding areas while in SILENT extractor fans the vibrations are absorbed by acoustic mounting blocks.
- Backdraft shutter
- Ball bearings
- Timer (1-30min)
| - Adjustable electronic humidistat
which can be adjusted to 60, 70, 80 or 90% RH* using an adjuster located on the front grille. - Four indicators show the desired level of humidity. The extractor operates automatically when the humidity level in the room is higher than the set level. The extractor will stop automatically when the humidity drops below the selected level and after the selected period set on the adjustable timer (1 and 30 minutes).
- *Relative Humidity
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