8mm Diameter Delrin Tube Adapter, Quantity of One

Adapter for Tubes in Beckman Coulter Rotors for use in Ultracentrifuge Rotors: Type 50.4 Ti (part # 347299) Required Adapter for Tubes: 1.0 mL Thickwall Polycarbonate Centrifuge Tube, 8 x 51 mm (part # 355657) 2.0 mL Thinwall Ultra-ClearCentrifuge Tube, 8 x 49 mm; Required Cap/Spacer 303658 (part # 344091)