Labotronics LB-21DGR Double Jacketed Glass Reactor features a 1 L reaction flask capacity and 60 W stirring power for controlled laboratory reactions. Its stirring speed ranges from 0 to 600 rpm, supporting uniform sample mixing. The double-layer borosilicate glass vessel allows temperature-controlled processing from -80°C to 250°C. A mechanical sealing system maintains a high vacuum level for extraction and distillation applications.