A 40 ounce thermal carafe with solid stainless steel top, metallic ceramic finish, and beautiful design. Works with the Ratio Eight. The Ratio Thermal Carafe is our second product. Combining high-design with the best materials available on the market, the Ratio Thermal Carafe is designed to enhance those moments of settling in to enjoy coffee or tea. Ratio’s Thermal Carafe is designed for use with the Ratio Eight Coffee Machine, but also functions as a stand alone thermal serving device for coffee or tea, and as a manual pour over vessel with a matching ceramic cone. It holds 40 ounces, or 1.25 liters.