The Geekvape Cerberus 25mm Sub-Ohm Tank 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 Cerberus Sub-Ohm tank measures in at 25mm at the base. The Cerberus Sub-Ohm tank hosts an innovative top fill system, accessible by rotating the knurled and threaded top cap to reveal an oversized fill port. At the other end, the Cerberus has an adjustable dual-slotted bottom airflow ring to control the inlet of air to create conditions conducive to vapor or flavor production. The Cerberus Sub-Ohm tank is able to access the Super Mesh Coil Line, utilizing offerings like the X2 coil, best rated for 30-45W.