BC611 FFP2 NR Cup shape Respirator offers a high level of protection and is particularly suitable for use during diagnostic and therapeutic activities when exposed to air or when a patient is wearing a respiratory infection transmitted in close proximity through droplets.It is rated FFP2 with a 95% or more efficiency for non-oily particles. This type of cup mask filters particles from the air and prevents contaminants such as water droplets, blood, body fluids and secretions.The World Health Organization has advised health workers to wear protective masks to prevent airborne particles from contracting the virus.