These M401 cartomizers can contain up to 1.3ml liquid.
Fits all known M401 models:
M401, M401C, M402, M403, Pilot, Skandi, Superbest, A1/A2 MOORE, MP401, MP402, M403, RPS-401, RPS-402, RPS-403, PartySmoker, SmartCig YouNic, E-Cigarette, EC-10, APC-10, DSE401, DSE107
