JS-5.0 Swinging-Bucket Rotor Assembly with Labware Kit, Anodized Aluminum. Four-place swinging bucket rotor. Includes rotor body and lid with four removable Buckets and labware kit: , Cover Gasket, Red, for use without liners (set of 4) , Cover Gasket with liners, Green (set of 4) , Air-Vent Filter (set of 60), Spatula, 2 Cup Racks 4 J-Wide cups and cup covers with plugs. Major applications: Separating bacterial, yeast, and tissue homogenates; harvesting cultures. For use in Avanti J-HC centrifuges.