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		| Originally posted by tkamiya I read on other forum (that specializes in HVAC) that many R-12 cans sold on E-bays are actually not R-12 at all, but are propane mixture.
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 That can be tricky.  Someone here picked up some cans that were labeled R12, but had a R-134a screw top.  Phonies from Mexico.  I suppose it helps somewhat if the brand and logos are familiar, though at these prices there is plenty of motive to deceive.