B...b..but 5.5mls! Can't seem to find a UK stockist for the T3.Honestly man I'd go with the Kanger T3. It lasts me at the very least all day. Sometimes two.
How is tank maintenace? Presumably the seals need attention regularly, and they can do with cleaning out?
Would I need a"drip tip", or is there a mouth piece on the tank/carto?