The Hellvape HellBeast Sub-Ohm Tank is one of the most versatile platforms with dual purpose airflow control system that includes MTL option and compatibility with a myriad of coils. The HellBeast measures 24mm in diameter, featuring a push-to-slide top-fill system for simple ejuice refills and a standard capacity of 4mL and a max of 5.0mL with bulb glass (sold separately). The airflow system offers two types of style, implementing a dual cyclops AFC ring for cloud-chasing effect with MTL airflow option available for a greater amount of customization. Furthermore, the HellVape HellBeast Sub-Ohm Tank is equipped with its own 0.15ohm H1 Mesh Coils and can accommodate a myriad of coils, such as SMOK TFV8 Baby Coils, Vaporesso GT Coils, and even Aspire Nautilus Coils.