CB control box is required to operate the extraction arms with on/off switches for light and the fan on the funnel.
CB 1,8: For fans VM-2100, VM-1801;
CB 2,6: For fans VM-3000, VM-p2500, VM-2101
CB 4,6: For fans VM-4700
CB 8,5: For fans VM-p2501, VM-6000
Usually used with
