The Falcon King tank is the upgraded version of the original Falcon Tank. Equipped with a top easy push button refilling method system, making it even more easier and efficient for filling your tank. The tank itself holds up to 6ml of e-juice to meet your vaping needs. The Falcon King has a smoother airflow design, more vapor production and with the M+1 M Dual Coil will definetly increase the lifespan and enhance the vapng experience.