Rig Mod – The Tanker - $42 - The Tanker Sub Ohm Tank by Rig Mod has exceptional build quality, and was engineered by vapers to be the best sub ohm tank on the market. It’s ideal for both experienced vapers, as well as brand new vapers. The Tanker Tank has the build quality you’ve come to expect by the makers of the Rig Mod and the Roughneck RDA. This tank has a 25mm diameter, and is milled from stainless steel. Rig Mod has truly outdone itself with the Tanker Sub Ohm Tank, and it has both its own specialized replacement coils and full compatibility with TVF8 coils as well.