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Smitty

Scenerio-DoItInTheWoods
Aug 29, 2002
29
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Gainesville, FL
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As far as I know you don't fill 12 grams. They come pre-filled. You buy them from some store in groups of like 3+. Once you puncture the seal, you must use it.

I would say they are one-use items, but in reality you get like 10-20 shots off of one, so it isn't really ONE use.