[ Air condensers ]

ventilation equipment for industrial and commercial use; namely, exhaust fans, exhaust fan systems constituted by exhaust fans, ducts and hoods sold as a unit, exhaust gas extractors with or without nozzles and filtering units

[ Air condensers ]

Ventilation equipment for industrial and commercial use, namely, exhaust fans, exhaust fan systems comprising exhaust fans, ducts and hoods sold as a unit, exhaust gas extractors with nozzles, exhaust gas extractors without nozzles, ventilation filtering units