The 3M 4255 Reusable Organic Vapour Particulate Respirator Semi Disposable Dust Mask is a high-quality respirator designed for use in various industrial, medical, and dental settings. Made by the trusted brand 3M in the United Kingdom, this unit offers protection against organic vapours and particulate matter. With its semi-disposable design, this respirator provides a comfortable fit for extended use, making it a reliable choice for those in need of respiratory protection in their workplace.