The VirTis 96 Well Freeze Drying System combines a choice of glass or plastic vials, set in an aluminum vial holder, with an exclusive LyoCap 96 Well CapMat Lyophilization Stopper. The solid aluminum 96 well vial holders provide efficient and even heat distribution to ensure fast and consistent freeze drying results for every sample. A range of glass vial sizes are available for efficient freeze drying. Economical 4 ml plastic vials are offered in robot-friendly polypropylene configured for the 96-well holder. The fluted LyoCap 96 well CapMat Stoppers enable samples to be quickly freeze dried and then sealed under vacuum, inert gas, or filtered air after the lyophilization cycle is complete.