Illuminated Duco Ventilation sign on a green wall below a ceiling unit

Photo: Mariusz Młynarczyk / CloudAir.tech

Backlit white letters reading "DUCO VENTILATION" are mounted on a wall of artificial greenery. Above, a ceiling-mounted Duco unit with the text "The Sky HAS NO LIMIT" is connected to aluminium flexible ducts, and a green sign in German reads "LÜFTUNG SONNENSCHUTZ".