Backward curved centrifugal impellers
To prevent accumulation of dirtiness. Dynamically balanced according to ISO 1940 standard.
Outdoors installed Specially designed to be installed outdoors.
Easy access for cleaning or to check the impeller and motor.
Back draft shutter
To prevent air entry and limit heat leakage when the extractor is not operating.
It opens due to the ressure of the air.
Bird proof guard.