Ø 28 cm
Circular ceiling diffuser: Ø 28 cm
Square ceiling diffuser: 26,7 x 26,7 cm square
The recommended maximum length is up to 6 metres.
Smaller spaces such as: a bathroom, toilet, hall or corridor.
Yes, a ventilation kit is available for the Ø 25 cm system. The air is extracted naturally or mechanically via a separate duct, however there is only one ceiling fitting for both (day) light and ventilation. A ventilation kit is available for both flat and pitched roof applications.
Please note: with concrete construction the following flashing must be ordered:
T160104-160 160 DS Prefab insulated roof outlet incl. ventilation outlet.
Standard circular diffuser system: 40 cm
Standard square diffuser system: Flat roof: 54,5 cm
Standard wall mounting system: 50 cm