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Iso-Max 3 speed is speed controlled using the 3 step switch attached to the fan, and as a protection for the motor, it is equipped with a thermal switch that turns off the motor if it reaches a dangerous working temperature. In addition, Iso Max 3 speed comes with mounting brackets for an easier use.
For efficient performance with the best possible results, we strongly recommend the use of Iso-Max 3 speed together withCan Filters.