GEEKVAPE CERBERUS SE TANK [CRC] is well-designed, featuring an innovative threaded top fill system, dual adjustable bottom airflow ring, and a new coil system featuring Super Mesh Coils. The GEEKVAPE CERBERUS SE TANK [CRC] measures in at 25mm at the base, but increases to 27mm at the widest point using the included bubble glass expansion to upgrade the juice capacity from 4ml to 5.5ml.  It hosts an innovative top fill system, accessible by rotating the knurled and threaded top cap to reveal an oversized fill port.