Introducing the newly desgned Uwell Crown 4, features a patented self-cleaning technology. The Crown 4 atomizers can absorb e-juice in the condensation holder through regular usage and vaporizes it. It helps reduce juice leakage and waste while lessens the cleaning frequency. The Crown 4 also contains an optimized top cap for easy filling. Equipped with the UN Mesh Coils provides a larger heating space to heat evenly which will enhance flavour and vapor production.