Specifically designed for vaping at a high wattage and cloud production. The Crown IV coils deliver excellent flavour profiles and features its easy push-fit system.Pack of 4.Only to be used with the Uwell Crown IV Tank!Coils with a resistance less than 1ohm are known as Sub Ohm coils. These coils require a lot of power and heat up very quickly. To make sure your E Liquid doesn’t vaporise too fast leading to burned coils, we recommend using a thicker High VG E Liquid like our 70/30 E Liquids (70% VG to 30% PG).Uwell Crown IV 0.2Ω Coils– Recommended 70-80WUwell Crown IV 0.23Ω Coils– Recommended 60-70WIf you want to know more about E Liquid mixes and ratios, have a look at our E Liquid Guide. To learn more about coils and resistances, our Vape Coil Guide has all the information you need.