Geekvape H45 (Aegis Hero 2) Empty cartridge is designed for Geekvape H45 (Aegis Hero 2) Pod Mod Kit. Geekvape H45 (Aegis Hero 2) Empty cartridge maintains 4ml capacity and 0.4ohm/ 0.6ohm Geekvape B Series Coil, and adopts adjustable top airflow and top refill design with zero leakage.