QuaDrum® rigid outer containers (ROCs) are available for rehydration and mixing applications. Retaining lid option provides access to fluid paths on top of biocontainer and can positively locate and support 3 in. TC port on top of biocontainer. Required to facilitate bottom drain applications, stainless steel dolly can be specified with locking swivel wheels. With dynamically stable base provided via optimized footprint, mixer handles recirculation-based mixing for 50–200 L process volumes.