Single Stage Gas HVAC AC 5 CFM 1/3HP Rotary Vane Vacuum Pump R134a R22 R410a | eBay
Leybold Sogevac SV300B Single Stage Rotary Vane Vacuum Pump, 3-Phase 208-230/460 VAC, with Gas Ballast. PN: 960707
Gas Powered Vacuum Pump Cart
5 1/2 HP Airablo Gas Vacuum Pump w/Flood Oil System and Oil Cooler Kit — BascomMaple.com
Mini Vacuum Pump, DC 12V Suction Pump Mini Air Compressor with Holder, Water Air Gas Vacuum Pump, Vacuum Heating Press Heat Transfer Machine for Gas Instrumentation: Amazon.com: Industrial & Scientific
Ai SuperVac 194 cfm Dual-Stage High Capacity Vacuum Pump - 480V 3~Phase
GOWE 220V 50HZ 4.5CFM Double Stage Dual Voltage Rotary Vane Vacuum Air Pump With gas ballast valve CE Certificate - Amazon.com