The Wismec Theorem Notch Coil is the replacement coil for the Theorem Tank system. They also can be applied to any rebuildable atomizer (RTA, RDA). The notch coil heats up very quickly. While it it rated at 0.3 Ohm (est), with how fast it heats up you can run it at lower wattage.
1 x Theorem Notch Coil