Consulting, planning, manufacturing, delivering and installing complete installations or installation components.
Radial, axial and roof fans
(see plastic fans)
mufflers for supply and return air, ventilation ducts and pipe fittings for this purpose
ventilation pipes and fittings for this purpose, ventilation grids and
shutters and shut-off valves,
deflector and rain hoods, draft dampers, exhaust air chimneys, fire protection dampers