MASKR Activated Carbon Filter - Multilong type Code : MASKR LONG Brand : Maskr Protects against micro particles, over 140 hazardous chemicals, bacteria, and unpleasant odor, up to 0, 3 Micron particle size. MASKR with Super A.C.C filter, processed with the latest technology in carbon activation creating a huge value of surface area ( B.E.T) ranged up to 1.550 sqm/ gr with absortion effects to more than 140 hazardous chemicals. Ideal for motorcyclist, industrial worker, policeman, mechanic, paint spraying, etc. Super A.C.C filter is manufactured according to standards as follow : -Comite Europeen de Normalisation EN779-1992 -24185/ EU2 53438/ F1 Flame Resist