Wheaton® Vacule® Lyophilization Vials
Wheaton® Vacule® vials with heavy wall construction are 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. Vials have controlled I.D., for accurate stopper fit. Screw threads eliminate use of crimp seal. Solid black cap without liner holds stopper in place.