Workers' Clothing & Protection
3M 2128 Particulate Filter for Solid, Liquid, Ozone, Organic Vapours and Acid Gas Particles, Type P2R (Pack of 10)
Low breathing resistance A bayonet fitting system to ensure precise and safe locking Versatility: can be used on all 3M 6000, 7000 and 7500 Series of Half Masks and Full Face Masks Maximum use concentration: 10xWEL Conforms to 2128
https://www.bizrate.co.uk/workersclothing_protection/3m-2128-particulate-filter-for-oid8444004662.html