Lung Buddy CE4+ Clearomizer with a round tip is designed for compatibility with all Ego and Evod batteries.  The CE4 Plus Clearomizer has longer wicks for a more consistent flow of e-liquid to the coil in any position. 

The CE4 Plus Clearomizer has visible markings showing how much e-Liquid you have remaining inside. 

The drip tip screws on to seal the CE4 Plus Clearomizer making it leak and spill resistant