Two metal filters (inox for models 170 and 250) that keep out dust and dirtin the exhaust.
Back draft shutter
The EBB-N are fitted with an automatic back draft shutter to prevent air entry and limit heat leakage when the extractor is not operating.
Model EBB-100 N:
2 Back draft shutter of Ø80 y Ø100 mm.
Forward curved centrifugal impeller
To deliver high performance with a minimum noise level against high static pressure system resistance.