With this coupling you create the transition from the StecMa system with polybutylene pipe (gray

But: Heat and expensive heating energy are lost when windows are open

installation depth 170 mm

200 x 200 x 179 mm

gray RAL 7035

Dachrinne halbrund Lüftungsgitter With this coupling you createThe semicircular gutter is made of impact resistant, cadmium free plastic. The connection is made by means of a connection shell with the cam groove system. This prevents it from slipping apart or buckling in the event of temperature fluctuations. The gutter irons or holders, which are tailored to the respective application, make assembly easier. Available colours: Grey, brown, white, anthracite and anthracite metallic