NALGENE® 3140 Centrifuge Bottles with Sealing Cap, polycarbonate; polypropylene screw closure; silicone gasket

Transparent with excellent chemical resistance. Bottles feature wide-mouth sealing cap closure. 250mL bottle is rated for speeds up to 27,500 x g; 500mL bottle is rated for speeds up to 13,700 x g. When using the 250mL bottle in the Sorvall GSA rotor, use the NALGENE® centrifuge bottle adapter (NALGENE 3125-0250). Before autoclaving, just set closure on top of the bottle without engaging the threads. Autoclavable/Transparent.