Versaflo™ Back pack adaptor. Enables the TR-600 series PAPR to be worn on the BPK-01 backpack. This configuration allows the TR-600 series PAPR to be worn on the wearer's back rather than on a belt at the waist. Securely holds TR-600 in place. Multi-layer construction secures TR-600 in place. Suitable for cleaning,¿ cutting,¿ drilling,¿ general maintenance,¿ grinding,¿ infection control,¿ mixing,¿ powder coating,¿ powder handling,¿ sawing,¿ sweeping applications.