The Geek Vape LUMI Tank is a 24mm disposable sub-ohm mesh tank, featuring an integrated 0.3ohm mesh coil, can hold up to 4mL of standard juice. The Geek Vape Lumi and allows for quick and easy refills with its silicone stoppered top refill system. The Lumi was designed with convenience in mind. No more messy coils to deal with. Simply dispose of the tank and replace the entire unit. For the same cost of a pack of replacement coils, the Geek Vape Lumi excels by offering an entire disposable tank with an integrated 0.3ohm mesh coil. No need to clean you tank when changing e-liquid. It's a great way to keep several of your favorite ejuice flavors at the ready. Simply swap the tank. At the base of the disposable Lumi tank is an adjustable triple bottom airflow control ring. Formed from superior food-grade plastic with stainless steel elements, the Lumi is a tank that can be reused time and time again, with proper care and maintenance. Featuring a transparent top structure, the Geek Vape Lumi allows for the viewing of the coil structure to see if there is a burning or if the coil needs to be changed.