Check the Voopoo TPP Pod Tank, which designed with reference to " Aerodynamic Simulation " and a new " Two-way Convection" airway structure to maximize the overall atomization efficiency. there are two versions available, the Pod without coil version and Pod Tank with 510 base version, both of them with 5.5ml e-juice capacity, with the wide-bore 810 drip tip. you can refill the e-juice from the bottom easily, the silicone plug to prevent leaking. compatible with Voopoo TPP Coils, you can choose the 0.15ohm and 0.2ohm Mesh Coils, which can use for the regular e-juice or the nicotine e-juice(less 10mg), will bring you the intense flavor and massive clouds.