3M Breathe Easy High Efficiency P3 Particulate Cartridge offers great respiratory protection and is used with PAPR systems. The PAPR system is powered by a battery pack that draws the air through a filter and the blower unit can be mounted on waist, face or head. It offers great comfort to the wearer by rendering constant flow of air and requires no extra breathing resistance. It is used for military maintenance, mining, oil and gas.