Air Spiralo yellow wall of duct bends and tees on wooden shelves

Photo: Mariusz Młynarczyk / CloudAir.tech

A tall yellow wall carries the Air Spiralo logo and the line "VENTILATION DUCTS & FITTINGS". Galvanised spiral duct bends, tees, reducers, insulated elbows and a rectangular plenum box are arranged on small wooden shelves across the wall, under the steel roof trusses of the hall.