HLU stand with illuminated transparent ATEX fan model at the frontHLU staff beside a transparent ATEX fan and a black Ex-marked fanHLU staff at the counter below an axial fan presentationHLU staff portrait at the reception counterHLU reception counter under an "Axial fans" presentation screenPurple-lit transparent ATEX fan housing on the HLU standGreen-lit transparent HLU fan model with brochure stand and bar areaWide view of the HLU stand with centrifugal fans and bar counterHLU stand with an open plastic ventilation unit lit in redHLU Hürner Luft- und Umwelttechnik stand with a transparent lit fanTransparent illuminated fan and Ex-marked black plastic fan on the HLU standHLU plastic air handling units with open doors and brochure