G.K. Heller Corp. GT21-18 Heavy-Duty Laboratory Stirrer is a laboratory-grade stirring instrument from G.K. Heller Corp. designed for demanding mixing tasks in scientific settings. It delivers a maximum speed of 6000 rpm and operates on 115 V power. The GT21-18 is a heavy-duty model in Heller's lineup of laboratory stirrers, identifying it as a unit intended for rigorous agitation in the lab.
