... *75, 13*78, 13*100, 15*100, 16*100 Test tube Made of PP or PS or GlassAll the size are ... from high quality polypropylene and Polystyrene2, Diameter from 12 to 16mm,length from 60 to 102mm3, With a series of accessories--tube stoppers,tube ... *4211/10F0716*102mm conical 10ml240056*42*4211/10 PS test tube with tube stopper