The cheapest source for 100% butane is Asian grocery stores. The supplier is generally Korean. In my area, I can get 7.8 oz cans (the size of a spray paint can) for $1 each. The nozzle on the can doesn't require any adaptor to reach the Ruby fill spout.
================= 橘川 純 wrote: > I am looking for the adapter for filling Ruby's butane tank from butane > cartridges. > Please let me know it. > > Jun Kitsukawa > 4-10-15 KugenumaSakuragaoka > Fujisawa, Kanagawa > 251-0027 JAPAN > > mail: [EMAIL PROTECTED] > hp:http://www6.plala.or.jp/locomotive/ > >