NutriMill Grain Mill is a 20 Cup capacity grain mill that keeps all the vitamins and nutrition in every batch of flour. The world’s first variable texture control mill for creating fine or course flour. Grinds on-oily grains with precision grain feed control; No gumming, no overheating, no jamming, no hassle. Multi-channel air flow for better motor cooling and longer mill life, self cleaning milling chamber that is easy to use. Limited lifetime warranty