Introducing the new High Yield PERformance Flask Manual (HYPERFlask M) cell culture vessel. The HYPERFlask M vessel is specifically designed for manual use. Originally, the HYPERFlask cell culture vessel was developed for automation. Due to its popularity for use on the bench top, Corning has redesigned the HYPERFlask M vessel with new features. NEW Ergonomic Cap – smooth texture on liner cap allows more ergonomic closing and opening of vessel by operator Adaptor Grid – new design allows for faster filling and emptying while reducing foam generation Bar Code Serial Number – each individual flask is traceable by a serial number that can be read by the unaided eye or by a handheld bar code reader Made with USP Class VI Materials – molded and assembled in a Certified Class 100,000 clean room Sterile – gamma irradiated to sterility assurance level (SAL) 10⁻⁶ Clean Room Packaging – each pack is double bagged. Innovative 10Layer Design – 10 interconnected polystyrene growth surfaces Optimal Growth – Corning CellBIND® Surface treated gas permeable polystyrene for superior cell attachment and growth Increase Cell Yield – 10 -fold higher cell yield increases productivity and capacity Time and Space Savings – Reduce processing time and incubator storage space by handling one flask compared to 10 traditional 175 cm² flasks