The JISICO J-MSFS Separatory Funnel Shaker has provisions for holding 6 funnels of various sizes with an option for 4 additional funnels. Funnel sizes ranging from 250 ml to 1,000 ml can be accommodated. The unit is sufficiently sturdy to be able to operate at speeds of up to 350 rpm continuously. Operation is controlled by means of digital timer combined with a digital display.