Brazen Plus enables craft coffee brewing parameters to be experienced at home — you are in control of the coffee flavor. The Brazen Plus brew system has features not found on any other consumer coffeemaker. Settings are adjustable for water brewing temperature and pre-soak like found on many commercial brewers. Set your brewing temperature between 190F and 210F with accuracy to within 1 degree. A patent-pending feature allows temperature calibration with altitude correction. The over sized shower head and pulsed water flow ensures complete coffee bed saturation for terrific coffee extraction. 2-year warranty. Permanent filter included or use paper filters. Thermal carafe with brew through lid keeps coffee hot. The Brazen Plus is one of the very few as Home Brewer certified by the Specialty Coffee Association of America.