There are many working environments where workers are exposed to dust, as well as other harmful chemicals. Our disposable respirators protect against compromised air and thus protect your lungs from these harmful substances. Full certification available Features: - Fits to the contours of your face - Low breathing resistance - Nose bridge designed to fit a range of face sizes and shapes - Provides protection against mechanically and thermally produced particles - Provides protection against solid aerosols - Protects against silica, coal and lead dust, asbestos, and metal fumes