Easy to use and Reliable Digital Flocculators in 4 and 6 positions with brushless motor, timer and illuminated back panel to allow standard conditions to be met during Jar Testing in water treatment plants. Identical conditions for all positions for comparable results Digitally selectable speed from 10 to 300 rpm Settable timer for unattended operation Stirring rods adjustable in height without tools Intuitive and bright digital display Powerful brushless motor and SpeedServo technology Illuminated back panel to simplify sample observation Strong resistance to chemicals and corrosion