I won't be taking off the valves, because then the bottle is useless to me. I was up for offers as everyone is unsure, here's some prices etc

short bottle £10.00 including postage. weight 320g

long thin bottles £16.00 each including postage weight 550g

large bottle £19.00 including postage weight 825g

120z adapter £9.50 including postage 100g

the fill rig, is made to be used with a dive tank £25.00 including postage, don't ask me how it works i have forgotten.