Griffin AIO comes with top and bottom airflow design that no matter if you prefer which one, it can deliver a pefect vaping experience to you. One of its biggest features is the changeable build deck so that vapers can build different coils and have different vaping styles with Griffin AIO. On top of that, it has a big 5ml juice capacity that is sure to last long period of time at every refill. Comes with the package is a silicone block, it can make the build deck becom a single coil build or dual coil build. Last but not least, Griffin AIO has a large filling hole enabling vapers to refilling the tank conveniently with no trouble!