The Uwell Crown 3 is the newest version of Crown series tank. It features 5ml large e-juice capacity and top-filling system. With 24.5mm diameter, it can compatible with many colorful drip tips. Refill the tank via the patented threaded top-fill system to expose the fill port. Improved chimney and structural design reduces the amount of e-juice condensate and lowers leakage potential. The newest generation of Crown atomizers, the Uwell Crown 3 is the class-leading flagship sub ohm tank.