High efficiency centrifugal exhaust unit with EC fan. It is a ceiling exhaust unit with vertical discharge. It also has a galvanised steel structure that makes it more robust, painted in flint grey but other colours are available on request.

| Model | Tension V (50 Hz)  | Current fans A  | Power fans kW  | Speed rpm  | Air Flow m³/h  | Maximum Pressure Pa  | 
|---|---|---|---|---|---|---|
| RV 337 | 1x230V | 0,3 | 0,313 | 2232 | 2880 | 725 |