Display board of TQDinvent duct distribution fittings

Photo: Mariusz Młynarczyk / CloudAir.tech

Two visitors walk past a grey display board headed "TQDinvent" and "Wentylacyjny system rozdzielaczowy". Mounted on it are galvanised plenum boxes, round duct pieces, blue flexible ducts and a disc valve, presenting TQD's ventilation distribution system.