TFV4 Tank Coil   Hello all,  Mod Guy Mike here. I’m the lounge manager and resident mod expert at Vapor4Life. This time I am going to go over the coils for the SMOKtech TFV4 tank. I’m trying out the tank —and all five coils— with the SMOKtech R-Steam Mini Vape Mod. I’ll cover all five TFV4
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