I purchased an HHO cell unit (KEXT53) which instead of working at 10A only worke at 4, 5A producing very small HHO quantity.I sent back it for reparation or change on 12.3.2010 and Mr. Sean don´t answer me when I require even the bad supplied unit. May be this happen to me as foreigner. For that reason I would like to know if there are others similar cases read full review »