In a design of cartridges there are a vent holes excluding formation of condensation moisture.
Aesthetic exterior (the combination of the various sizes of cartridges and color scale of metal provides architectonic expressiveness of a building).
Flexibility of dimensions.
In the constructive scheme of a non-load-bearing design they carry out functions of an external protective element. Such constructive decision allows providing strength characteristics and noticeably increasing aesthetic properties of a facade.
Front cartridges is a version of an external protective layer of a hinged ventilated facade from the zinc-coated steel