DISA

Ducts of metal for ventilating and air conditioning installations and structure parts and fittings therefor

computer software, electronic power boards and electronic monitor boards for controlling extraction, ventilation and filter systems

air filters and ventilating fans for air conditioning and structural parts and fittings therefor

Ducts, not of metal, for ventilating and air conditioning installations and structural parts and fittings therefor

Maintenance, installation and repair of extraction and ventilation systems