Hi everyone, this is my first post so please bare with me, after watching this site for a while, an reading reviews an opinions on first welders etc. An i bought a2nd hand Clarke 150te turbo welder, for a bargain price. Few questions though; it's come with a pub regulator?? I've read up, an it seems i'll need a C02 'pub' type bottle, problem is, i'm not sure where to get one local too me etc :/. An also it's recently had a new 'metal liner' i'm not sure what this is, is that a good thing? Any help/advice would be appreaciated thanks Gaz