The Cascade Sub-Ohm Tank is the newest member of Vaporesso family. Features stylish look, up to 7ml juice capacity, slide-n-fill system, EUC plug-pull style coil change method. Innovative Universal Coil System, compatible with GT cores. This unique coil system design makes Cascade the only tank in the market able to satisfy vapers from 25W-200W range. The first of its kind Isolation structural design separates coil and juice vault allows consistent, intense flavor at every puff also reduces lower leakage and dry hit potential. Combo with balanced triangular three adjustable bottom airflow, users will be surprised how smooth, flavorful, cloud master this innovative device can offer.