Medusa is one of the best creations by Geekvape. It is a new generation RDTA with simplified inner structure, making assemble and refill extremely simple. This elegant RDTA looks simple and compact, but hold a juice capacity of 3ml. It's designed to be easily assmbled and used not only for veterans but also for rookies of vaping. Medusa RDTA is the perfect choice for starters who like to try some DIY but have difficulty in doing it. Try and see!