TN LAB Vacuum suction pump design based on water as the working fluid, the principle of negative pressure produced by water jet. 110V & 180 Watts. Vacuum Pressure -0.098Mpa & Flow 10L/Minute. Provides vacuum for chemical experiments and circulating cooling water to reaction sets. Pumps used in evaporation, distillation, crystallization, filtration, decompression, etc. Water saving, multi-versatility application. Corrosion resistant, no pollution. Machine shaft made of stainless steel. Simple to operate. Low noise, stable performance, small size, and weight. The ideal small scale water vacuum and water circulator.