S-4.0 Swinging-Bucket Rotor (Unshielded), Aluminum. Unshielded, four-place rotor with aluminum rotor yoke and removable aluminum swinging buckets. Buckets are interchangeable with Microplate Carriers for spinning microtiter plates and MiniTube Racks. Holds up to four liters, four blood bags or four microtiter plate carriers. Accepts all Multi-Disc Adapters except 339119. Note: requires tie-down kit Part Number 367045 for use with Avanti J-26 XP Series centrifuges. Major applications: Rapid sedimentation of protein precipitates, large particles, cells, and cell debris. It can be used for binding studies and separating serum from whole blood. For use in Avanti J-26 XP Series, J-26S Series and J-6 Series centrifuges.