AIRSMART

air ducts of metal for ventilating and air-conditioning installations; air ducts of metal for buildings for ventilating and air conditioning installations; air ducts of metal for use in wall cavities of buildings for ventilating and air-conditioning installations; air ducts of metal for use in underfloor areas of buildings for ventilating and air-conditioning installations; air ducts of metal for use in ceiling areas of buildings for ventilating and air-conditioning installations; ducts of metal for central heating installations; ducts of metal for air cooling installations; pipes of metal for central heating installations; ducts of metal for combined heating and air conditioning installations in buildings

air ducts made from non- metallic substances for ventilating and air-conditioning installations; non-metallic air ducts for buildings for ventilating and air-conditioning installations; non-metallic air ducts for use in wall cavities of buildings for ventilating and air conditioning installations; non-metallic air ducts for use in underfloor areas of buildings for ventilating and air-conditioning installations; nonmetallic air ducts for use in ceiling areas of buildings for ventilating and air-conditioning installations; non-metallic ducts for central heating installations; non-metallic ducts for air cooling installations; non-metallic ducts for combined heating and air conditioning installations in buildings