For automated concentration and recovery of cells from G-Rex closed system vessels. GatheRex automatically removes 90% of culture media, followed by automated cell collection typically at 30 - 40 million cells/mL. This process is completed in just 5 minutes. REF 80000E is compatible with all closed system G-Rex models and uses the small diameter PVC tubing for media reduction. REF 80000Z is for the G-Rex500M-CS only and allows the large diameter C-Flex tubing to be used for media reduction. [ETL certified/marked; 2-year warranty included]