Scott Safety's Proflow EX is for applications where potentially explosive atmospheres require an intrinsically safe PAPR. It is equipped with microprocessor-controlled airflow management for faultless operation and accurate airflow regulation. The on-board control system continually monitors the status of the power pack and adjusts the airflow rate. The casing is highly durable and resistant to impact, high temperature, chemical splash and welding sparks. Ex-Classification: II 2G Ex ib IIC T3 / II 3D Ex tD A22 IP54 T80C Shower-proof construction and downward filter orientation for easy decontamination Extensive range of headtops, facepieces and filters which offer protection across a wide range of applications