Glass and Steel tubes are the two most often chosen choices......... Glass links a few posts back for mine, for steel tubes there's a WIDE variety of choices all over ebay/the-internet......... You can make your own steel one, or even go really ghetto and make it from pvc tube and caps with the holes drilled. Each system has its own pros and cons, teh pvc ones are mini pipe bombs if you stuff em too much and "rumors" say that pvc can get in your oil (not for what you buy at home depot). Steel tubes I have no experience with, but I really like how they have legs and can stand in your pyrex pan while working the material, although you *should* be shaking and spinning the tube while your dumping butane down it for the best results.
--> Glass Tubes
--> Steel Tubes
--> Turkey Baster (LOL, dont do this)
--> PVC tubes with drilled plastic caps (Works)
That's about it with respect to butane honey oil for the extraction device