Smoktech dual coil tank for 510. Tank holds up to 3.5ml of juice. Easy to fill. Includes the tank, end seals, 1 1.6ohm dual coil cartomizer and drip tip. Black only. For extra cartomizers, make sure you purchase dual coil cartomizers for tank. Fill kit recommended.

1. Get an empty tank and a bottle of liquid.
2. Remove the drip tip from the internal cartomizer
3. Fill the internal cartomizer by refilling 20-30 drops of liquid around the edges into the fabric filler. (Notice: DO NOT fill liquid into the center hole)
4. Slide the internal cartomizer partially out of the tube.You can use an inverted drip tip to do this.
5. Drip liquid into the tube around the internal cartomizer. As it fills you can slide the cartomizer up to prevent the liquid from going into the internal cartomizer. Fill as close to the top as you can get without allowing the liquid to leak into the internal cartomizer.
6. Slide the internal cartomizer back into the sleeve of the tank and align the bottom (thread end) with the slot on the end of the tank so it's fully inserted into the bottom of the   tank.
7. Replace the drip tip. You will need apply pressure to the bottom of the internal cartomizer while pushing the drip tip on to prevent the internal cartomizer from sliding out of the tank.
8. Screw onto your device and you will ready to use the tank assembly.