**** RESTOCK ON SMOK **** The SMOK TFV4 is the newest Sub-ohm tank system to be released by SMOK The TFV4 uses two new patented sub-ohm coil head designs, a quadruple coil head and a unique triple coil head which houses each coil in its own separate tube It also makes use of two separate styles of RTA head for single and dual coil for those who prefer to build their own coils Each kit includes: RTA Coil Triple Coil Quad Coil Features: 510 threaded Capacity: 5ml Replaceable glass tube 100% pure organic cotton Large rectangle shaped liquid intaking holes provide huge vapor Double layered drip tip structure, heat shield (1-2mm spacing) Compatible with the Following coils: (Only T3 Coil 0.2Ω included) ---New patent sub ohm quadruple coil 0.15Ω (TF-Q4) ---New patent sub ohm triple coil 0.2Ω (TF-T3) ---Rebuildable dual coil 0.25Ω (TF-R2) ---Rebuildable single coil 0.85Ω (TF-R1) Leak proof top refill design Size: 24.5mm x 70mm (D x H)