Glass Columns with PTFE Stopcock Plug and ST Joint
![Glass Columns with PTFE Stopcock Plug and ST Joint](https://krackeler.com/tt/lg/graphics/0186/jpg/420510.jpg)
These general purpose gravity chromatography columns feature a PTFE stopcock and standard taper joint and are manufactured from medium wall tubing. Glass wool (not supplied) may be used as a support for column packing material. These columns may be used alone or in combination with the 420570 series reservoir and 420575 series flow control adapters. Custom sizes and plastic safety coating are available upon request.