i am now thinking of buying a
INNOKIN COOLFIRE IV PLUS 70W ISUB g full kit
or
Innokin Coolfire IV Plus 70W iSub Apex Kit
i dont know which one to buy. the only difference is the tanks. i am so confused which one to buy because some sites have one, some have the other. i know the apex has a top fill and the isub g has 4.5ml of e juice room but i dont know which one to get. please please help i am very interested in this vape product. thank you so much for any kind of answers and help.