Vigreux Distillation Columns Joint Size:19/22 This round-bottom flask features three

This round-bottom flask features three angled standard taper joints of the same size

scissor-like mechanism that allows for quick buret insertion and height adjustment

enabling rapid and efficient separation and purification

The sidearm and lower standard taper inner joints are the same size and are positioned at a 75° angle to each other

and plastic joint clips

Vigreux Distillation Columns Joint Size:19/22 This round-bottom flask features threeThe Vigreux style column features internal indentations running the full length of the column, increasing surface area to improve vapor liquid contact for efficient fractional distillation. Features the same size top outer and lower inner standard taper joints. The effective height is measured from the highest to the lowest indentation in the distilling column. Made of borosilicate glass for excellent chemical durability and mechanical strength.