experimental chemistry - Setting up a water aspirator pump for vacuum distillation - Chemistry Stack Exchange
Water-Jet Aspirator Pump
Lab-Scale Shz-D (III) Bench Circulating Water Aspirator Vacuum Pump Used for Small Rotary Evaporator or Reaction Kettle/Reactor - China Water Circulating Vacuum Pump, Water Circulation Vacuum Pump | Made-in-China.com
Across International Ai WaterVac 0.7 Cfm 2-Head Water Aspirator Vacuum Pump | Your Grow Depot
Aspirator, Water, Metal (Chapman Type) | Flinn Scientific
MSE PRO Benchtop 2-Head Water Aspirator Vacuum Pump– MSE Supplies LLC