Glass Columns with Fritted Disc, PTFE Stopcock Plug, and Spherical Joint
![Glass Columns with Fritted Disc, PTFE Stopcock Plug, and Spherical Joint](https://krackeler.com/tt/lg/graphics/0186/jpg/420650-0550.jpg)
Similar in design to the series manufactured from medium wall tubing with PTFE stopcock. These columns have a coarse porosity glass frit (40-60 micron pore size) as a support for column packing material. With a 50/30 Sperical Joint. Custom sizes and plastic safety coating are available upon request.