The Uwell Caliburn GK2 is an advanced vape pod system from Uwell with top-fill design, detachable 2ml pods and a sleek carbon fiber exterior. Built with a 710mm long aluminum chassis, the Caliburn GK2 device features a top-fill system which allows you to refill the pods while attached without any mess. It has a replaceable pod design which can accommodate both nicotine and non-nicotine ejuices.