Posted by jonny (24.147.227.36) on September 30, 2000 at 00:53:46:
In Reply to: o2 posted by JoeS on September 30, 2000 at 00:31:42:
there is no filtering system with either medical 02 or welding 02, it all comes from the same tank. what your thinking of is the welding tanks being used over and over with no thought to what is in them. dude, if you buy 2 new tanks like i did, then you are breathing medical 02.
im in the buiss bro, i know
...................jonny