These one-time use masks have an outer layer that is resistant to the absorption of moisture and can filter out large droplets that are produced when someone coughs or talks loudly near you. They are effective in preventing the spread of infectious particles by capturing droplets exhaled by the user during activities such as coughing, sneezing, or talking.
Construction and dust masks are designed for workspaces such as carpentry and construction. They provide protection against aqueous mists, non-toxic dusts, fibers and other potentially hazardous particles. When worn correctly, respirators can serve as an important component of a health and safety program. There are a variety of masks and filters available, each of which offers a unique level of protection; therefore, it is essential to determine which level of protection best suits your responsibilities.