Galvanized steel pressed short bends 90° with male-male connection with rubber lip sealing. Radius R = 0.6 x D. For reduction of space loss in narrow false ceilings.
Connection pieces with airthightness class C to EN 12237. The airthightness is also determined by the mounting on the construction site.
BDKG90 = Short bend type with male connection
200 = Diameter of bend