CHECK VALVE FOR FAN 150 - RX 07-199

The check valve is a ventilation element mounted on the fan body, preventing air from flowing back into the room. Valve designed for models: pRim pRemium pRestige aRid aRc When the fan is not working, air from the ventilation system or from the outside can flow into the bathroom, which causes a number of unfavorable effects - starting from cooling the room, the ingress of dirty air in winter, to the transport of fungi and molds that have nested in the ventilation system. The check valve ensures airflow in only one direction without significantly reducing fan performance. **