New for 2017 / 2018. 100% Authentic Aspire ARC Replacement Coils – ARC Coil Heads that fit the innovative Aspire REVVO Tank featured in the Aspire Skystar Revvo Kit and the Aspire Speeder Revvo Kit. New Kanthal Stovetop Coil Design for Large Surface Area and Maximum Flavour Production. Produces large clouds with pure, rich flavour. An awesome vape without using a ton of battery power. 3x Kanthal Stovetop Coils. Wide operating wattage range of 50W to 100W. Optimal Operating Range of 80w-85w. Comes in Pack of 3 coils.