ALDES

Centralized and built-in vacuum cleaners for permanent installation in residential and commercial buildings, and parts, accessories and fittings therefor

Non-electric airflow regulators to provide steady airflow in residential and commercial building; fire and smoke dampers for ventilating conduits; mechanical ventilation systems providing exhaust and air supply ventilation for residential and commercial buildings; air filtration units, namely, dust exhausters, dust collectors and parts of fittings therefor