Equipment for ventilating buildings, namely, air inlet/outlet units, air extract units and fans; air filters for domestic, commercial and industrial use; air extractors in the nature of exhaust hoods; air flow controllers in the nature of louvers; fire dampers for duct work; fans, namely, ventilating fans for commercial and industrial use

Equipment for ventilating buildings, namely, air inlet/outlet units, air extract units and fans; air filters for domestic, commercial and industrial use; air conditioners; air extractors in the nature of exhaust hoods; air flow controllers in the nature of louvers; fire dampers for duct work

Sensitized Photographic Film