Product Specification 3M 2138 P3R (nuisance level organic vapour and acid gas) particulate filters. Stand alone, lightweight particulate filters • Lightweight • Low breathing resistance • Bayonet fitting system ensures precise and safe locking • Versatility: can be used on all 3M 6000, 7000 and 7500 Series Half Masks and Full Face Masks 1 BOX = 20 FILTERS (NOT PAIRS)
