lbreevesii

remember. most scubas are either 2500 or 3000 psi max. so thats all you'll get out of a fill(remember i'm talking about the strap on ure back type scuba). to get full use out of a 4500 psi hpa tank you'll need a higher psi source tank. not sure wat all you need to fill one. basicly the proper line w/ a quick disconnect i guess.

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