The canister A2 from T series is used against toxics gases relevant for the A classification on the EN 141 standard. This canister can be used only with a half mask Valuair, Premier, or MX/PF or a fullface mask Optifit Twin equiped with a T system. Halfmask and canisters can be used only if the toxic allow an oel according to safety procedure . APF for the total equipment is 50 .
