Polypropylene Bottle with Screw-On Cap for use in Benchtop Centrifuges and Microcentrifuges Rotors:GH-3.8 (part # 360581); Required Adapter: 349846 SX4750 (part # 369702); Required Adapter: 349846 SX4750A (part # 369704); Required Adapter: 349846 For use in High Performance and High Capacity Rotors:JS-5.2 (part # 339087); Required Adapter: 356096 JS-4.3 (part # 362734); Required Adapter: 349846 JS-4.2 (part # 356096); Required Adapter: 356096* JS-4.2A part # 366695); Required Adapter: 356096*JS-4.0 (part # 339086); Required Adapter: 356096;JS-3.0 (part # 339081); Required Adapter: 356096* *These bottles require a sleeve rather than an adapter.