The Uwell Valyrian III 3 Replacement Coil Heads, 2pcs per pack. with the patented self-cleaning technology, it reduces the juice leakage. the Uwell exclusive Pro-FOCS Flavor testing technology will properly control the heating temperature, strictly managing the material quality and completely restoring the great flavor. the mesh coil heads with mesh wire inside and covered with organic cotton, will heat the e-juice fastly and evenly, bring you the huge cloud of vapor and original flavor. The new coils are targeted towards 80-90W usage and perfectly work with its fascinating coil structure.There are two options that include SSS316L 0.32ohm UN2 Valyrian III 3 coil and FeCrAl 0.14ohm UN2-2 Valyrian III 3 coil,it is fit for Uwell Valyrian III 3 Sub Ohm Tank andUwell Valyrian III 3 Starter Kit.