Flush-mounted room fan for installation in walls, shafts and thin panels. Can be used for ventilation of medium to large rooms. Plastic housing with elegant, room-side facade in alpine white. Facade to cover the intake opening with upward-facing slats. Removable for cleaning in a water bath. High-pressure, high-performance impeller made of plastic with 7 blades, for high pressure and volume output. Single-phase AC capacitor motor, closed design, maintenance-free, with thermal contacts built into the winding, speed controllable by voltage reduction, sealed, low-noise ball bearings with long-term lubrication, reversible.