For use in quality control/manufacturing process only. Others Control OD Level 1 Bio Control OD Level 1 Bio 3.8.10.1.2.32 for Cedex® Bio and Cedex® Bio HT Analyzers 07766637001 Control OD Level 1 Bio Control OD Level 1 Bio 07613336102596 Controls 6 x 1 mL Not Available true Unit of measure is "piece". This product is a standardized microbead suspension intended for quality control by monitoring accuracy and precision of the optical density assays for the Cedex Bio and Cedex Bio HT Analyzers: Optical Density (ODB) en Optical density control suspension. en White, turbid suspension. Assigned concentration values: See pack insert en