More Air. More Wear. Easier breathing and more comfort are what you get when you wear an AirWave®respirator. The larger surface area of the patented wave design means more air flows in and out of the mask. More Comfort. More Use. More Durability. The unique FlexFit®design moves with your face for comfort all day long. The exclusive cool and comfortable SmartStrap allows you to adjust the mask for a custom fit. It has a soft foam face cushion for no pressure points. More comfort means more compliance. The SmartStrap also allows the respirator to hang around the neck when not in use. The Dura-Mesh®shell prevents collapsing from heat and humidity so your mask lasts longer. Longer use means less waste and lower costs. Plus it's also metal free. 4300 Series With P95 Protection. NIOSH approved 95% efficient against oil and non-oil based particulates. Use in dusty environments such as welding, soldering and brazing, cutting and metal pouring, grinding, sanding, sweeping, bagging, stone quarrying, metal machining, cement, underground mining, polishing, buffing, lime, poultry and textiles. For pharmaceutical manufacturing, petrochemical manufacturing, dry chemical handling, conventional and nuclear power generation, and paper processing. Use Against: Particulate aerosols free of oil. Features: Exclusive easy-breathing wave design, 95% efficient against oil and non-oil based particulates, FlexFit design moves easily with your face and stays in place, Dura-Mesh® shell resists collapsing in heat and humidity, Soft, cloth SmartStrap®is both HANGABLE and ADJUSTABLE, Foam face cushion for added comfort and no pressure points, Meets heat and flame resistance in accordance with ANSI/ISEA 110-2003, and Metal-free. Sold 8/bx