Designed for Floc formation Test in water treatment Plant, Uniform Stirring of up to 6 samples simultaneously, Variable speed 20-100 RPM, Heavy Duty 1/20HP motor with gear train mounted on a mild steel housing, Supported by four rods on a bench Stainless steel stirring paddlers with Adjustable height. Locking Collars or stirring rods permit adjustment height of paddle height. Spacing of 6” (150mm) between rod permit use up to 1000ml Beaker.