New Kangertech Genitank Mega Cartomizer/Clearomizer with New Airflow Control.Kangertech Genitank Mega Cartomizer with New Airflow Control Valve - 3.8mlKangertech Genitank Mega Cartomizer with New Airflow Control Valve - 3.8ml, the newest clearomizer/cartomizer e-cigarette with pure taste and new design.Buy from HG with cheap price!Specification:Length: 75mmDiameter: 22mmCapacity: 3.8mlMetal Material: copperTube Material: PyrexFeatures:New airflow control valveBottom Dual Coil Tech, Pure TastePyrex GlassAll parts,removable and changenable.Glue-freePackage Content1x Kangertech Genitank Mega Cartomizer- 3.8ml1x decorative ring1x1.8ohm coil unit1x English ManualSimple packing. Customary Packing from the factory, the packing is subject to change without notice.Operation Guide1. Airflow adjustmentTo increase airflow, please rotate the bottom ring counter-clockwise;To decrease airflow, please rotate the bottom ring clockwise.2. Filling steps-Turn upside down the cartomizer, then screw off the bottom base.-Use the syringe or dropper to fill less than 3.8ml e-liquid. Do not overfill it.-Carefully screw on the connector, connect it with the battery and enjoy it.3. Coil change First, turn upside down the cartomizer and screw off the bottom base.Second, disconnect the old coil unit from the bottom base, replace with a new one. Last, screw the base back to the tube tightly.Order TipsWith CE&ROHS cartificate on the package box.It can work with 5pc KangerTech Upgraded Dual Coil Unit for KangerTech Cartomizers .You can change the drip tip, fit all 510 drip tips.It comes with ego/510 thread, fit all ego/510 thread batteries.