PYREX Round-Bottom Glass Centrifuge Tubes 50mL; O.D. x L: 29 x 116mm; pour | Fisher Scientific
Corning Pyrex 8084-15 Glass Conical Cylindrical 15mL Centrifuge Tube with White Graduations and Standard Taper Pennyhead Stopper (Pack of 12): Science Lab High Speed Centrifuge Tubes: Amazon.com: Industrial & Scientific
PYREX 100mL Oil Conical Centrifuge Tube with White Graduations | Quality Biological