The URB D9 THCO cartridges feature a ceramic coil to evenly distribute heat without burning, providing rich full flavor and pleasant clouds of vapor. Urb never uses any fillers or additives so you can be sure you’re getting the most pure cannabinoids available on the market. The combined blend of these blends this cartridge is 3x stronger than regular delta-9 thc and 6x stronger than delta-8 thc. URB offers 6 exotic flavors to choose from. These cartridges are derived from 100% USA grown hemp and are federally legal under the 2018 Farm Bill Act.