This strain-specific CO2-extracted oil that is less processed than our Ultra Pure cartridges, and offers the authentic taste and fragrance of CO2 oil and natural terpenes. They retain the delightful CO2 flavors and aromas from their original strains. Processing is limited to removing plant wax. These cartridges contain no additives and no propylene glycol. Strain Specific carts do have a noticeable cannabis taste and aroma. So, you need to be aware of where you use them, as others around you will notice the aroma. For a less noticeable aromatic presence, use our Ultra Pure cartridges.