The UWELL Crown 5 Coils is applicable to the Crown V Tank. There are 3 types of Crown 5 Tank Coils available: 0.23ohm single mesh coil, 0.3ohm dual mesh coil and 0.2ohm triple mesh coil. The 0.23ohm single mesh coil (pre-installed) is best for 65-70W, giving you smoothest direct-to-lung vape and rich flavour. The 0.3ohm dual mesh coil is best for 50-55W, suitable for a restricted direct-to-lung vape, providing warmer vapor and saturated flavour. The 0.2ohm triple mesh coil is best for 65-70 wattage, bringing you slightly tight direct-to-lung vape, huge vapor and decent flavour.