Heavy wall construction designed for lyophilization and freeze-drying. Manufactured from Wheaton 33 low extractable clear borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements. Vacule vials have controlled ID, for accurate stopper fit.
- Designed for lyophilization and freeze- drying applications
- 4, 5 and 10 mL size
- Screw threads eliminate use of crimp seal
- Choice of solid or open top screw cap