I use one for glow(Electric) one for smoke(Electric) and one for gas New Style 5 Gallon also (Electric) with an extra hand pump.all are self contained, and carry there own battery packs that can be field charged. Now what can be better than that, as you probably have guessed Dean and I are good friends I hope I'm being objective when I say they are the best way to fuel or defuel( hope that's wright) your models Gas Glow or Jet. If you need a can you can get them from Dean at jerseymodeler.com. Hope this helps
Mike