SCHELLENBERG AS 46601 - Universal window ventilator, white, 2 pack

" Ventilation system for windows and doors, pack of 2 regulates the room humidity independently and contributes to a healthy living climate actively supports the prevention of mould on walls and windowsills Installation possible with almost all windows Product can be glued or screwed constant ventilation of the rooms Function even when the window is closed can be closed at any time simple assembly in only 5 minutes ideal also for tenants no additional power supply is required, functionality is based on air pressure differences Burglar resistance of the window is not affected - Installation from the inside Waterproof against driving rain up to 150 Pa including cutter knife and fastening tape "