Herbal Diffuser Pen with Extracts of Mullein, Thyme and Mint for Lung Cleansing, Breathing Improvement, Oral Air Freshening and Quitting Bad Habit Energy Vape and Disposable Herbal price Marshmallow root, leaf, and mullein support vapers by soothing irritated throat tissues, reducing inflammation, and acting as expectorants to clear mucus from the lungs. These herbs provide a Frontier Co op Mullein Leaf, Cut & Sifted, Organic 1 lb. Frontier Co op Wild Harvested Organic Mullein Tincture Single Extraction Northwoods Tea & Herb