The Brewista Tornado Duo Dripper is a revolutionary dripper in appearance and result. The unique ribbed dripper slows the pour over extraction time to give a robust and subtle flavor taste at the same time. With a stylish design, the tornado is an essential method to have for every coffee lover. • Unique 18 rib Tornado dripper for optimum extract • Insulated double-wall glass • Sealed easy-to-clean design • Capacity 1-2 cups (use #1 filter) • Uses paper filters not Included