The powered respirator is used for dust removal and partial odor removal, not for gases or vapors and is used to reduce or remove resistance to inhalation during respiration by producing a constant airflow.
The unit is designed with manufacturer’s minimum design flow rate 170 litres,210 litres or 250 litres per minute (the flow rate at which the equipment still will fulfill the requirements of the class in EN12941).
The actual working time will be about 8 hours .