Ventilus stand with heat recovery units and blue flexible duct manifoldsVentilus counter with blue duct couplings and flexible elbowTermitech stand crowded around Ventilus and TQDinvent unitsTermitech stand with TQD invent manifold boards and Ventilus unitWide view of Termitech duct distribution and Ventilus unitsDisplay board of TQDinvent duct distribution fittingsTQDinvent mini and plus manifold boards with blue flexible ductsTermitech shell-scheme stand with TQDinvent display boardsAngled view of three TQDinvent boards with plenums and ductsTQDinvent plus hexagonal manifold and galvanised plenum boxesClose-up of a TQD hexagonal distribution manifold with spigotsTQD invent distribution boxes and flexible ducts at Termitech stand
