You should look at this thread: http://www.scubaboard.com/forums/arc...p/t-43936.html
If someone was putting the + on old 72s, they didn't know better.
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You should look at this thread: http://www.scubaboard.com/forums/arc...p/t-43936.html
If someone was putting the + on old 72s, they didn't know better.