System 106 housing, flush mounting 2-gang Independent of the construction progress, the housings can already be installed in the building shell. Housings available in metal alloy laquered in anthracite: all robust materials which ensure durability. Features: Vertical and horizontal installation enables optimal adaptation to the installation site. Suitable for use in facades with a thermal insulation system. Notes : System 106 housing, flush mounting, 1-gang only for use with door station module and System 106 Keyless In components. For use with System 106 installation box for flush mounting on a front plate already present in the building (letterbox, door-side installation or similar).