North American Product Classification System (NAPCS) Canada 2022 Version 1.0
344 - Heating, cooling and air purification equipment
This group comprises heating, cooling and air purification equipment.
34412 - Industrial and commercial fans, blowers and air purification equipment
This class comprises industrial and commercial fans, blowers and air purification equipment.
344121 - Industrial and commercial fans and blowers
This subclass comprises industrial and commercial fans and blowers.
344122 - Air filtration and purification equipment
This subclass comprises equipment for filtering and purifying inflow and outflow air.
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