Found promptly under the cap is an adjustable top airflow Regulate ring, that's absolutely closable and has two way stops. At the base in the tank is often a threaded connection for putting in and replacing the coil. The Centaurus Sub Ohm Tank uses the UB Max coil family members, https://emilioxvoxl.pages10.com/an-unbiased-view-of-lost-vape-centaurus-b80-aio-kit-68816116