The Crown 3 features a 5ml juice capacity, a top-filling system, and an innovative plug sub ohm coil system. Each box is provided with a Crown 3 Key to improve coil changing and tank cleaning. The Crown 3 measures 24.5mm in diameter. There are aesthetic improvements along with the launch of grate colors and 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 coil system has been optimized for the perfect balance of vapor and flavor production. Adopting a Parallel coil structure along with a convenient plug-pull mechanism for a fast and easy replacement process.