PREMIUM MATERIAL- Borosilicate glass (GG17 material) has excellent physical properties and chemical properties. The overall national standard stainless steel new frame structure, compact and sturdy. PRECISE DIGITAL SCREENS- LCD makes temperature measurement easier and more convenient; temperature range: -60 °C-200 °C, resistant to strong acid and alkali, high-temperature resistance, high strength, high hardness VARIABLE SPEED MOTOR- Lab reaction vessel adopts variable speed motor, which has long-running time, excellent stability, no noise, standard gear, no gap, wear-resistant PTFE COMPONENT SEAL- The PTFE component seal is durable and air-tight, with an abrasive dust collection box. The PTFE discharge valve is designed with a large bottle of mouth, which is easy to clean and disassemble. Solid/liquid substances are easily released from the bottom. WIDELY USED- The 5 liter reaction vessel can be safely operated under a full vacuum