Loading... Please wait...Dual 3.2 ohm coils in parallel giving a total resistance of approximately 1.5 ohms (+/- 0.2) These empty cartomizers have the soft rubber removable end caps for re-filling. Fill kit is recommended. Tough tube to resist cracking. Hold approximately 1.ml. One soft rubber tip is included. These contain polyfil. Price is for a 5 pack. Black only