Description
Heavy wall construction designed for lyophilization and freeze-drying. Manufactured from DWK Life Sciences (Wheaton) 33 low extractable borosilicate glass. Meets ASTM Type I, Class A and USP Type I standards. Stoppers are sold separately. 989-30730 and 989-30733 are supplied with unlined black phenolic screw caps.
Image(s) are representative of the product group and not necessarily the individual product.