The Aspire K3 Clearomiser Tank is a luxurious mouth-to-lung tank with an amazingly low price. The K3 Tank uses Aspire’s famous Nautilus BVC coils for longer atomizer life and fuller flavours. With a mouth to lung style of vaping but a sub-ohm tank design, with wider airflow allowing a better draw for fuller flavour and vapour production. The K3 Glassomizer has a simple bottom-fill mechanism. Unscrewing the bottom section of the glassomizer gives you easy access to the tank for adding e-liquid. The are huice holes at the side of the tank for easy filling.