The Helios Fans KWL 45 LG‑B is a stainless steel outer grille intended for the shell construction set reveal of the KWL EC 45 decentralized ventilation unit. It features a stainless steel condensate drain and a bonded seal for secure installation. The grille’s dimensions are 324 x 74 mm and it is finished with an extra protective coating. This model is ideal for use in locations with heavy air pollution or elevated salt levels in the atmosphere, such as coastal areas.