Empty polystyrene columns with matching frits and caps for use in a variety of resin based affinity or desalting techniques.

• For benchtop gravity flow affinity purification and size exclusion chromatography
• Supplied complete with porous polyethylene discs, stoppers and end caps
• Compatible with most types of aqueous buffer eluents
• Plastic funnels can be attached to expand the buffer reservoir for increased flow rates