OPTIMAIRO

Metal ventilation channels, namely, ventilating ducts of metal, ventilating ducting systems of metal comprising metal ventilating ducts and metal vent covers and metal vent flaps, metal air conditioning ducts; metal ventilation grilles, namely, metal roof vents for ventilation, metal vent caps, metal air vents, metal vent flaps, metal vent cover for HVAC ducts, and metal air grids

Ventilating fans for commercial, industrial, residential and household use; fans for exhaust extractors; flues for ventilating apparatus

Non-metal flexible pipes, tubes, hoses, and non-metal fittings thereof

Ventilation channels, not of metal, namely, non-metal ventilating ducts, non-metal ventilating ducting systems comprising non-metal ventilating ducts, non-metal vent covers, and non-metal vent flaps; ventilation grilles, not of metal, for fitting in walls, roofs and ceilings, namely, non-metal vents, non-metal vent caps, non-metal vent flaps, non-metal vent covers for HVAC ducts, and non-metal air grids

Ventilation grilles, not of metal, for fitting in doors, windows and furniture