Disposable N95/FFP1/FFP2/FFP3 Dust Mask With NIOSH Standard For Medical Industrial Safety
N95-by Niosh Standard---USA standard
FFP1/FFP2/FFP3 by CE EN149 standard---Europe standard
N95/FFP1/FFP2/FFP3 respirator is the most common types of particulate filtering face piece respirators.
In United States, NIOSH defines N95 respirator filters at least 95% of airborne particles, not resistant to oil.