Heavy wall construction designed for lyophilization and freeze-drying. Manufactured from Wheaton-33* low extractable borosilicate glass. Meets ASTM Type I, Class A and USP Type I standards. Stoppers are listed separately.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.