Stainless Steel Organic Cotton Coil.
0.5 Sub Ohm / Range 15 - 60 W
0.5 Sub Ohm Clapton Coil / Range 15-45w
1.2 Ohm / Range 12 - 25 W

Changing Instructions:

1 Unscrew the metal bottom cap from the tank

2 Pour out any remaining E-Liquid (can be saved to refill)

3 Unscrew the head from the bottom cap

4 Screw the new head onto the bottom cap

5 Fill tank with e-liquid and reassemble

6 For best results wait a couple of minutes for the E-Liquid to feed to the coil before vaping.