Not just a replacement tank. This NVee Pro II tank does not only include the complete top section of the NVee Pro II, including the air vent, Glass, Seals, top cap and drip tip. It also includes 2 NVee Pro II 0.7ohm coils as well as an extra glass and spare seals. This is the perfect replacement package, seeing you extend the life of your NVee Pro II well into the future. The NVee Pro II Tank works great as a spare or of course a replacement and with that extra glass included as well should things go wrong! then what more could you possibly want? Given that the NVee Pro II Tank not only includes the tank and spare glass but also 2 spare coils this is amazing value for money. The coils included are designed to be used with our range of 85/15 (vg/pg) range and also our range of 70/30 (vg/pg) range. If you wish to use liquids of 50/50 (vg/pg) we recommend you purchase the NVee 1.6 ohm coils which are also compatible.