Disposable Respirator, 4300 Series, P95, Medium/Large. 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. Metal-free.