Complete lightweight mobility cool, comfortable respiratory protection you can wear almost anywhere! Motor and airflow unit with HEPA filter are mounted directly on the front of the facepiece for complete mobility. Positive pressure reduces breathing resistance and keeps user cool and comfortable. HEPA filter protects against airborne particulates and resists moisture for longer use. System includes full facepiece respirator, motor blower unit, battery pack, flow meter, and HEPA filter. Ideal for nuclear and utility plants, smelting lead reclamation, foundry and steel works, and more. Intrinsically safe units can also be used in explosive areas and combustible atmospheres. Faceshield meets ANSI Z87.1-1989 standards. NIOSH approved