- Oil Free
- Adjustable Vacuum / Pressure
Reliable WOB-L Piston pumps are perfect for many common laboratory vacuum applications. Features: Vacuum and Pressure - to 60 Torr (27.6"Hg). Includes Vacuum and Pressure Regulators and Gauges - simple to adjust and monitor vacuum level and delivery pressure. Inlet Water Trap - float ball rises to seal off pump from accidental ingestion of water. Muffler quiets pump and filters discharge air. For use with dry or aqueous vapor applications only.