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® centrifuge tubes, conical with screw cap capacity 50 mL, with graduations | Sigma-Aldrich
PYREX Round-Bottom Glass Centrifuge Tubes 50mL; O.D. x L: 29 x 116mm; pour | Fisher Scientific
8101-15 | PYREX® 15 mL Conical Centrifuge Tube with Black Graduations, Beaded Rim | Corning
99502-10 | PYREX® 10 mL Disposable Glass Conical Centrifuge Tubes, without Screw Cap | Corning