Advken OWL Tank is a 25mm diameter sub ohm tank which comes with a bullet-shaped appearance with exquisite carving and high-quality SS & Pyrex Glass construction. It utilizes 0.16ohm and 0.2ohm mesh coil to produce purer flavor and massive clouds than ever. It features top airflow system which can avoid leakage and condensation, also it will offer better airflow. The top slide filling design makes refilling easier and faster. 810 PEI drip tip brings nice flavor and great vaping experience. 304SS & Pyrex Glass construction, exquisite appearance Mesh coil produce purer flavor and massive clouds Top airflow system avoid leakage and condensation Top slide filling design makes refill easier 810 PEI drip tip has better heat-resistant 3ml/4ml capacity switchable 510 threading connection 25mm diameter Brand: Advken Model OWL Tank Capacity 3ml/4ml Diameter 25mm Size 45 x 25mm