About dompen™ Cartridges dom cartridges contain a total of 1g of high-grade cannabis oil. dompen has established itself as a leader in the vaporizer category over the past decade, with growing sales across North America.  With optimized airflow, clog-prevention technology, and a next-generation wick, our cartridge has been designed for performance. dom is an easy way to consume cannabis on the go, without hassle.