Buy a 4 pack of genuine sealed replacement Uwell Crown 3 atomizer & coils heads for use with the latest Uwell Crown 3 Tank from a authorised UK Uwell agent. Coils are available in 0.25 ohms. Contents: 4 x Uwell Crown 3atomizer/coils heads in sealed packaging Features: Genuine replacement Uwell Crown 3 atomizer/coils heads Resistance level is 0.25 ohms Compatibility: These replacement coils can be used with Uwell Crown 3 Sub Ohm Tank Notes: The lifespan of any atomiser heads varies greatly depending on the e liquid used, voltage passed through them (too high voltage decreases life expectancy) and the regularity of usage of your electronic device.