Brew up to a week's worth of smooth, low-acid coffee concentrate for hot or iced coffee Easy to use: add ground beans & pour water into perforated top Rainmaker evenly distributes water over coffee grounds Lid keeps Coffee Maker protected while brewing Brew for 12-24 hours on counter or in fridge, then place the brewer onto the glass carafe to drain Draining starts automatically when brewer is placed on carafe Makes enough concentrate for up to seven coffee drinks Ultra-fine stainless-steel mesh filter Brewer and carafe nest for convenient storage Compact size ideal for brewing on countertop or in refrigerator Borosilicate glass carafe and stopper with silicone seal keep coffee concentrate fresh Brewing container holds 24 oz. Add your custom one-color personalization Note: Hand wash all components