Bunn G3 Heavy Duty Commercial Grinder. Single hopper holds 3lb (1.36kg) of product and can be used for a variety of purposes. The built in bag switch that stops the motor when bag is removed and prevents grinding before a bag is in place. Fast grinding this unit grinds one pound in just under 30 seconds. The turbo action draws coffee through the grind chamber for greater grinding efficiency and a wide range of grinds can be selected. Convenient cleaning lever ensures complete clean out of grinds from the grind chamber. Heavy-duty precision burrs for quality, finer grinds and a four year warranty on grinding burrs.