Which has a generous 17ml e-liquid capability per machine, the pack of 10 ensures you've got an abundance of vaping periods with no will need for constant refills.Juicy Bar JB7500 Professional: Stepping up, the JB7500 Professional delivers 7500 puffs from the 17ml tank, with a strong 650mAh battery in addition to a one.ten Ohms mesh coil. This prod