New generation P3 R half mask with low-profile, ergonomic design. Providing less breathing resistance, less clogging pressure & less inward leaking, this repirator mask protects you against airborne particles, oil aerosols, mists & fumes. The Twin HEPAC (High Efficiency Particulate Air Composite) pleat encapsulated design filter provides 99.99% filtration of airborne particles & aerosols at 0.3 microns & above. As well as this, there are exhalation valves on bottom of face-piece, ensuring no exhalation fumes or steam will fog your glasses/visors. The protective grill cover 100% of the filter surface, to stop more moisture & particulates from clogging it up.