I would like to give a BIG shout out to Nick Kessler at the Kalamazoo store. First, he made it possible for me to use a vapor because mine was dead. Thanks again Nick. I came back to the store today to buy my vap. He checked it out and put in a new coil. He also fixed a few other things on my vap. I am a newbie to all of this. I am a highly satisfied customer and will return again soon. Diane