Ziehl-Abegg staff beside a large axial fan and RETROFITBLUE display

Photo: Mariusz Młynarczyk / CloudAir.tech

Two staff members pose at the Ziehl-Abegg stand next to a large axial fan with blue blades. On the left a test rig labelled "RETROFITBLUE" carries fan units and electronics, while blue wall panels repeat the "The Royal League" slogan behind them.