The new Brewista Tornado Duo Dripper is the world’s first sealed, double-wall glass dripper. Our unique ribbed dripper slows the pour over extraction time to give your coffee a more robust and satisfying taste. With a stylish design, the tornado is an essential for every coffee lover’s toolkit. Brewista’s Tornado Duo Double Wall Glass Dripper is a unique, versatile, and visually stunning piece for pour-over brewing. The 18-rib design is an aesthetically pleasing feature, resembling a Tornado spiral, that allows the water to funnel through slowly up from the top and steadily speeds up as the glass ridges get smaller and closer together assist in a quick clean draw down with consistent extraction. The Brewista Tornado Duo Double Wall Glass Dripper is a single cup brewer that delivers a clean, even, and full-flavored brew by extracting the finest flavors of your coffee. Made from Sealed glass, it is the world’s first sealed glass pour-over. More resistant to thermal change than traditional glass, this dripper is dishwasher safe. Features Unique 18 rib Tornado dripper for optimum extract With ridges on the inside that direct the water down into the spiral. World First Sealed Glass Dripper Insulated double Wall Glass sealed for enhanced brewing performance. Controlled Flow Rate Water will speed up as it passes down the 18 ribs of the dripper. Even Extraction Ideal for the perfect coffee, pour slowly for a delicious taste. Sealed easy-to-clean design Dishwasher safe for a quick and full clean. Specifications Materials: Heat Resistant Borosilicate Glass / Polypropylene Capacity: 1-2 cup Dimensions: (ø )11.5 x (H) 9cm Applicable: -20°C - 150°C Uses paper filter #1 *Not Included Includes: 1 x Brewista Tornado Duo Double Wall Glass Dripper 1 x Dripper Holder