Used George Nutting AV-100 Tablet Deduster. Adjustable slope and variable intensity vibration of cleaning screen. This allows you to vary the speed of the tablets over the cleaning screen. Cleaning screen is stepped to turn over tablets. Cover with regulated and filtered air to blow dust from tablets. Vacuum nozzle to remove dust. Quick disconnect cover and screen for easy cleaning. Adjustable height. 5 leg base with locking castors.