Eleaf GS Air Coil 1.5ohm dual  heads for the Eleaf GS Air, GS Air-M and the GS-Tank clearomizer. The wattage range for these coils is 8-20W. These coils are equipped with two parallel 3 ohm coils deigned to provide greater stability than a single 1.5 ohm coil. Since the coils are parallel, the resistance becomes 1.5 ohm.