The Uwell Crown Sub Ohm Tank system is the new kid on the block with something to prove. Featured with a super high quality stainless steel tube vaporizer, quartz glass tank, and organic cotton for its coil, Crown brings you the best taste of your juices. The Crown works with Single Coil, Dual Coils, Temperature Control Coil and also, the RBA Coil. Its large airflow design bring you huge vapor, which makes it possible to produce huge vapor. What’s more, you can fill the Crown from top of the atomizer without having to screw atomizer from your MOD.