Test Tube Plastic Poly-Sytrene 13x100 8ml, 250/bg 2000/cs. round bottom, Sold by the case
Precision-molded from premium grade polystyrene. These general purpose tubes are ideal for a wide range of applications. Prevents the breakage problems associated with glass test tubes. Polypropylene tubes are tough, autoclavable, and chemically resistant, while polystyrene tubes offer glass-like clarity.