CORBIT

Ducts of metal for ventilating installations; ducts of metal for air-conditioning installations and for central heating installations

Ambient heating, ventilating, and air conditioning and purification equipment, namely, air purification units, electric air sanitizing units, air exchangers, dehumidifiers, air impellers, ventilating fans and ventilators, filters and filtering devices, valves for air conditioners, exhaust fans, manifolds, pipes, tubes; fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; dampers as control devices used in air ducts to regulate the flow of air; drying apparatus for use in heating, ventilation systems, air conditioning systems, and refrigeration systems; air humidifying apparatus; steam vaporizers for adding humidity to the air; electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water particles or water vapor in the air; air-conditioning installations; ventilation installations and apparatus, namely, louvers, dampers, and nozzles for ventilation hoods; installations for the cooling of air; air-conditioning apparatus

Ducts, not of metal, for ventilating and air conditioning installations, non-metallic venting ducts; ventilator flaps (non-metallic) for buildings; non-metal roof vents and flaps for heating and cooling and ventilation, in residential and commercial buildings