Columns with Reservoir and PTFE Stopcock Plug
![Columns with Reservoir and PTFE Stopcock Plug](https://www.krackeler.com/tt/lg/graphics/0186/jpg/420280-0222.jpg)
A general purpose column with an integral reservoir for analytical separations. A plug of glass wool can be used to support the column packing. PTFE stopcock plug, Cat.Nos. 186-821001-0002 and 186-821001-0004, control the flow rate. Top is tooled for rubber stopper.