Compatible with a variety of protective eyewear and hearing protectionNIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particlesLightweight construction promotes greater worker acceptance and may help increase wear timeAdjustable nose clip and cushioning nose foam provide a custom fit and reduce foggingAdvanced electrostatic microfibre filter media is designed for ease of breathingTwo-strap design with welded dual point attachment helps provide a secure sealCan also be used to help reduce inhalation of certain airborne biological particles like mould, Bacillus Anthracis, Mycobacterium Tuberculosis, etc.