The Ijoy Avenger Sub-ohm Tank is a 25mm tank system with top fill capability and utilizes the new X3 coil system. The Avenger 25mm Sub-Ohm Tank holds up to 4.7ml of E-Juice and is conveniently filled via the threaded top fill system with two large fill ports. The new X3 Coil Family consists of X3-Mesh 0.15 ohm coil head, a mesh coil head with wood pulp and cotton rated at 40 to 90W, and the X3-C15 0.35 ohm coil head, a coil with wood pulp and cotton rated at 40 to 80W. Located on the top of the Avenger is a 11mm Wide Bore Drip Tip. Airflow enters the Avenger through dual adjustable air slots located on the bottom, measuring at 13mm by 2.5mm each. The iJoy Avenger 25mm Sub-Ohm Tank is a contender in the Sub-Ohm Tank market and is a perfect match for any devices.