Chromatography, Column, Rodaviss Joint, Teflon® Stopcock

The unique design of the Rodaviss joint affords a grease-free seal while holding glassware together without clamps. The column is supplied complete with an open-top cap, loosening ring, and O-ring. It is used for gravity or flash chromatography. The column is constructed using medium wall tubing for extra durability.The lower end of the column has a round bottom.