Well today I went out and picked up a clearomizer since I needed one. The first clearomizers I had were ce4 type but all in tack (couldnt be taken apart) . And well the one I got today was able to be unscrewed from the bottom and I noticed the coilhead could be screwed off as well. I would like to get replaceable coil heads for this but dont know what type it is. could you guys help me out here . Greatly appreciated