Corning 2 mL Attached Screw Cap Microcentrifuge Tube, with O-ring, Polypropylene, Sterile Case of 500 $268.35 Quantity discounts available QuantityPrice SKU: COR-430915 BRAND: CorningMANUFACTURER: Corning Quantity -+ Details These Corning 2 mL polypropylene microcentrifuge tubes feature screw caps that provide a tight secure seal.• Attached cap with silicone O-ring • Withs... Details Back DetailsThese Corning 2 mL polypropylene microcentrifuge tubes feature screw caps that provide a tight secure seal.• Attached cap with silicone O-ring • Withstands a maximum RCF of 20,000xg • Sterile