Labconco 2303005 Volumetric tubes for Rapid digestor; 250 mL; Pack of five.

Designed for uniform wall thickness and impact strength. Made of borosilicate glass with heavy duty retention lip and contoured bottom for optimum heat transfer and minimal thermal shock. Model 78870-38 tubes have an easy-to-read calibration mark for accurate dilutions and a built-in constriction for maximum refluxing and digestion speed.