The Grainger Approved Disposable Respirator is a NIOSH-approved N95 particulate respirator that provides at least 95% filtration efficiency against solid and liquid aerosols that do not contain oil. It features an adjustable nose clip and nose foam for a custom fit. The respirator has a collapse-resistant shell and valve to release hot air and moisture. It is latex-free and comes in a box of 20 respirators. The respirators are ideal for applications such as grinding, sanding, sweeping, sawing, bagging, and other dusty operations. This respirator helps provide protection against certain non-oil based particles.