Herakles Hydra Tank by Sense is a temperature control tank that can produce great vapor production in small size. It features top filling, 2ml eliquid capacity, adjustable airflow control, nickel coils and copper 510 connector pin.
The Hydra tank comes with 1.8ohm kanthal coil pre-installed (compatible from 15 to 50W). For better taste, the wicking material is made out of Japanese Organic Cottons. It also comes with Ni200 replacement coil with resistance of 0.2ohm for temperature control mods.