ASPIRE K1 CLEAROMIZERThe latest e-cigarette clearomizer from Aspire features the acclaimed BVC Coils; meaning you get great technology for an affordable price. The K1 is a smaller capacity tank, but one that is both durable and performs very well.The latest e-cigarette clearomizer from Aspire features the acclaimed BVC Coils; meaning you get great technology for an affordable price. The K1 is a smaller capacity tank, but one that is both durable and performs very well.9SAME COILS HAS THE ASPIRE ET-S)