Maximum stability with centre support adjusting arm
Aerodynamic, thanks to its elegant external profile top.During high-speed testing noise and vibrations were greatly reduced.Thanks to the new outside cover and exclusive patented rubber seal, a watertight system guarantees rain streams down without the possibility of it coming in. TÜV and ABE approved. Made with high quality UV-ray resistant materials.Can be installed on roofs with depths of 2.5cm to max 5cm. For installation on roof with depths of max 8.5 cm, the optional extension kit (Item No. 98683-112) can be used. The Vent White does not need the roller blind. The optional Rollo Vent 40x40 can be fitted to the vent Crystal. Interchangeable with the old Fiamma Roof-lights 40x40 and with rooflight from 36x36cm to 42x42cm thanks to the reinforced frame. Supplied with permanent air flow ventilation and mosquito screen.