Herb 2 Oil proudly presents its Fire O.G Cartridge, the world’s eighth wonder. This cartridge stands tall above the competition: Herb 2 Oil gets why this cultivar is called “Fire.” This cartridge’s flavor makes even all O.G's weep tears of envy — but once they’ve hit these Fire O.G Cartridges, they respect it. Caution: Herb 2 Oil’s cartridges are hot.