They use pods. There are various ways to refill a vape pen or an e-cigarette. When copyright to start with arrived on to the industry, they manufactured the “pod system” mainstream. Searching for a quality vaping knowledge? Search no further than copyright and their wide variety of copyright pod flavors. https://vaporizeraussie.com/product/myle-meta-bar-disposable-2500-puffs-red-apple/