A 4 extractor canopy fan is a type of ventilation fan that is used in commercial kitchens or other spaces where there is a need to remove smoke, steam, and odors from the air. The 450mm measurement refers to the diameter of the fan blades.

Firstly, the extractor fan is typically installed at the end of the ductwork that is connected to the canopy hood. Secondly, it works by drawing air through the system. Which includes the canopy hood, ductwork, and fan, and then expelling it outside of the building.

Choosing the right extractor fan for a canopy system is important to ensure effective ventilation. Factors to consider include the size and type of cooking equipment being used, and any relevant safety and building codes.

Installation of an extractor fan should be done by a qualified professional to ensure that it is installed correctly and safely. Regular maintenance and cleaning of the fan and the entire ventilation system are also important to ensure that it continues to function effectively. This can include cleaning the fan blades, checking for any obstructions. Or damage to the ductwork, and replacing any worn-out components.

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