PYREX® 100 mL Oil Conical Centrifuge Tube with White Graduations from Corning Life Sciences | SelectScience
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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