Schellenberg 46600 Universal Fensterlüfter Passive Ventilation for The Window Casement, White

Continuous air circulation when the window is closed. For this purpose, a narrow part of the rubber seal on the window casement and on the window frame must be removed. The rubber seal can be re-inserted at any time. Reduces humidity, CO2 and other pollutants in the room air Prevents the formation of mould on walls or window sills Reduces heating and energy costs thanks to drier air Easy to install on the window casement of plastic windows; visually inconspicuous, Weight: 0.3417165061 Pounds, Manufacturer: Schellenberg