Channel width: 423mm, channel height: 423mm, length: 625mm, nominal width: 315mm, material: sheet steel, external wall duct, thermally insulated on the inside with end cover and connection DN 315, the length of the wall duct can be adjusted to the wall thickness using telescopic technology. Incl. weather protection grille for light shaft installation. External wall duct, thermally insulated on the inside with end cover and connection DN 315, the length of the wall duct can be adjusted to the wall thickness using telescopic technology. Incl. weather protection grille for light shaft installation.
