Special design provides extra strength for freeze-drying applications
· Serum vials are lighter in weight than molded bottles, with more closely held tolerances and uniformity of glass
· Special blowback design provides ease use for lyophillization stoppers
· Autoclavable
· Aluminum seals, stoppers and septa are available separately
· Manufactured from 51 expansion borosilicate amber glass conforming to ASTM E438, Type I requirements