Test tube w. stand. ground joint, DURAN®, with NS socket and PP stopper, 20 mlTest tube w. stand. ground joint, DURAN, with NS socket and PP stopper, 20 ml Material: borosilicate glass 3. 3, stopper made of PP. Autoclavable: yes. With standard ground sleeve and PP stopper. White graduated. Not a medical device Not an IVD product Technical Information Vol. 20 ml Graduations 0. 2 ml external 17 mm Height 200 mm Wall thickness 1,2 mm Standard ground glass joint 14 23