Durable, silicone facepieces are designed for a wide range of applications. Full facepiece features a double flange silicone faceseal and (6) easy-adjusting straps for comfort and durability. Hard-coated polycarbonate lens. Extra-large inhalation and exhalation valves help make breathing easier. Available in three sizes to comfortably fit many faces. Meets NIOSH 42 CFR 84 requirements.