M95 Wave Solder Masks are NIOSH-approved (TC-84A-5409) for at least 95% filtration efficiency against non-oil based particulates. Feature exhalation valve which allows for more comfortable breath ability through hot or humid working conditions. Built with a flanged edge around the full circumference of the respirator provides a snug and secure seal. Includes an aluminum nose clip enables the respirator to be easily adjusted and conformed to the user, offering a custom fit. Soft and stretchable nylon straps avoid pulling of hair or skin. Soft foam found on the inner side of the nose clip provides enhanced cushioning. 10 Masks per pack.