About 270mm so slightly shorter when screwed in to the marker (tip of the reg to the bottom of the bottle)Whats the length of the bottle dude?
its pure energy, need retest next june, only mark is a little dent in the bonnet that I have had no problems with, will upload pics later if you are intrested, pic here from when I asked about if it was badI would look at a trade on a 1.1 depending what make it is?
W