I am considering purchasing a synergy labs medical grade ozone generator from ebay. I am seeking info.and opinions about these units. Are they truly medical grade? If so i can't find a better deal. Is it ok to use welding oxygen for medical ozone? Thanks for your input! Gman
(http://cgi.ebay.com/Medical-Grade-Ozone-Generator_W0QQitemZ140020026569QQihZ004QQcategoryZ41389QQssPageNameZWDVWQQrdZ1QQcmdZViewItem)