With any e cig tank, you eventually have to replace the coil as the residue from your e-liquid can build up giving a burnt taste. The time it takes for a coil to need replacing depends on a variety of factors, such as voltage, how much you vape, and if you vape without any e-liquid in your tank (whoops!)
Having a few repl...
Replacement Coils for the Freemax FireLuke and Freemax FireLuke Pro Mesh Tanks. Sold in packs of 3.
Sextuple Coil, 0.15Ω (60W-140W) Kanthal DVC, 0.15Ω (80W-180W) Duodenary Coil, 0.15Ω (80W-180W)