Exhaust Fan with Filter Box EXFL Justrite

An exhaust fan with a filter unit for the extraction and filtration of toxic, corrosive, and inflammable vapours in a ductless safety cabinet or induct fewer fume cabinets. The electronic system includes a supply box and an electronic board (fixed on the front side of the appliance) with a microprocessor (AC5500) and a probe (anemometer). The electronic board has a green LED that informs the users of the right air speed passage through the activated carbon filter, which means an air speed of 0.2 m /s. Sound and visible LED alarms inform the users of the need to replace the activated carbon filters due the saturation