North American Product Classification System (NAPCS) Canada 2017 Version 2.0

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.