CE4 atomizer, also called as CE4 clearomizer. It’s a revolutionary clearomizer designed to work with eGo or other battery, such as 510 battery, and can let the user feeling a pure and clean vaping experience. This clearomizer comes with clearomizer in a clear plastic shell which has the scale on it. So, it’s very clear that how many e-liquids left and when to refill it. The CE4 clearomizer can fill 0.2ml-1.6ml of e-liquid.This is important for serious vapers!!