This dust mask is designed to protect your face and lungs from dust and other airborne particles. It features a comfortable fit and adjustable straps for a secure seal. The mask is made from a breathable material to ensure maximum comfort and protection. It is ideal for use in dusty environments such as
From Wikipedia
A dust mask is a flexible paper pad held over the nose and mouth made for protection against chronically toxic nuisance dusts, like from occupational exposure to plant dusts like hay. They are not intended to provide protection from most airborne hazards. The European FFP1 mask, the lowest-grade standard available in the jurisdiction, is an example of a dust mask, being only certified to remove ~80% of dusts and mists.