The Benchmark Scientific Z366-250-A250 250ml Insert comes in a pack of 2. This product is designed to fit the Z496-1000-RBUK rotor, offering compatibility and ease of use. The insert allows for the secure accommodation of samples during centrifugation, ensuring reliable performance and efficient separation processes. Made with high-quality materials, this insert provides durability and resistance to the rigors of laboratory use. The 250ml capacity is suitable for a range of applications, making it versatile for various sample sizes and types. Upgrade your centrifuge setup with this Benchmark Scientific insert, enhancing your lab's productivity and workflow.