I saw one for the first time in a smoke shop in Michigan last week , I was disgusted , so I checked out the home site for this thing
http://healthvapor.com/
So here go my
The HEALTHY thing to do is stay away from these things , everything on that site is a china knock off = they don't give a crap what they use to make it (lead) and ONLY CARE ABOUT MAKING MONEY , making like they have concern for your health and well being , ya right.
If you were to buy a brand new Camaro , from a dealer , and he was only gonna charge you $7000 because the car is made by Gocar instead of Chevrolet, would you still buy it ???? it's your life , your risk . Who knows what could be in these things.