You can buy vape cartridges, or carts, which have been both pre-full of a liquid containing delta-eight or could be refilled with vaping liquid. You connect the carts to the reusable vape battery, which heats them to make vapor you inhale. But delta-8 sits in a very legal grey spot. https://messiahkkauc.ampedpages.com/what-does-thc-concentrates-mean-59851726