Eppendorf 022638840 Replacement Buckets for MTP/Flex Swing-Bucket Rotor used with Centrifuge Model 5810 or 5810R (Pack of 4): Science Lab Centrifuge Rotors: Amazon.com: Industrial & Scientific
Eppendorf® 5804 and 5810 Multipurpose Centrifuges | Krackeler Scientific, Inc.