Graduated concentrator tubes for use with Kuderna-Danish evaporative set-ups. Tube can be stoppered for storage. Overall height is 153mm for 10mL, and 170mmfor the 25mL.
Capacity (mL):25
Joint Size:19/22
Subdivisions (mL):0 to 1mL in 0.1, 2 to 25mL in 1.0