The casing consists of an internal self-supporting frame made of galvanized or stainless steel, while all of the visible parts and finishing are made of white pre-painted aluminium (color code RAL9010), which gives the unit a clean and polished look. 4D Condensers are supplied with protective films on all pre-painted surfaces. Supports and floor brackets can be assembled on both sides of the condenser, enabling connections on either right or left side. These production materials make the product: light in weight, non-toxic and devoid of polluting particles plus highly resistant to mechanical stress and corrosion