3M 923345-03 is part of 3M's line of respirator masks. It is a N95 face mask intended to provide protection from airborne particulate matter. The mask is designed to fit firmly around the nose and mouth to provide maximum filtration efficiency against dust, smoke, and other airborne particles. It is equipped with an adjustable metal clip that allows the user to customize the fit and reduce gaps that can occur. This mask is NIOSH approved and meets the CDC guidelines for use in healthcare settings.