Bubblers, Modified, Airfree, Schlenk

Used to monitor gas flow to reactions while providing a vent to the atmosphere.  Reservoir head prevents oil from being sucked back into the system.  Standard taper inner joint is for use in single or multi-neck flasks.  Hose connection has a 9mm OD middle serration.  The 24/40 jointed bubbler is available in two sizes; the larger for use in vessels having a capacity greater than 100mL.