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Scienceware® cloning cylinders, polystyrene, I.D. × H 4.7 mm × 8 mm
Scienceware® cloning cylinders, polystyrene, I.D. × H 6.4 mm × 8 mm
Scienceware® cloning cylinders, polystyrene, 40 of each size
Scienceware® cloning cylinders, polystyrene, I.D. × H 9.5 mm × 11 mm