DWK Life Sciences (Wheaton) Vacule® Lyophilization Ampules
By DWK - Wheaton Science Products
This small-volume lyophilization ampule can be flame-sealed or stored with a stopper in place. It is made of Wheaton 33® low extractable borosilicate glass, (meets ASTM Type I Class A and USP Type I standards). A stopper can be purchased separately.