The Helios Fans KWL 45 LG features a stainless steel outer grille designed for the shell construction set of the KWL EC 45 decentralized ventilation unit. It includes a stainless steel condensate drain and an integrated bonded seal to ensure reliable performance. The grille measures 324 x 74 mm and comes with a white coating. This product is specially suited for use in environments exposed to heavy air pollution or areas with high salt content in the air, such as coastal regions.