The Geek Vape Aegis Boost PLUS Replacement Pods, featuring a 5.5mL capacity, G.Coil Boost Coil Compatibility, and airflow adjustment dial. Attached by a snap-in connection with quick release, the Aegis Boost can also entertain top side refilling, removing the silicone stopper to reveal the large fill port. At the base is a bottom press fit coil connection, allowing quick and easy replacement of the G.Coil Boost Coil to upkeep the delicious flavor of your favorite eJuice or nicotine salt. The Boost Replacement Pods are available in one cartridge with one (1) 0.6ohm Mesh Coil and one (1) 0.4ohm Mesh Coil OR you can purchase two cartridges with no coils.