Aluminum seals for use with Fisherbrand™ Crimp-Top 2mL Autosampler Vials (Cat. No. 03-391-5) Silver 11mm aluminum crimp-top seals offer a variety of septa material options. This product (s) resides on a Fisher Scientific GSA or VA contract. If you are viewing this page as a nonregistered user, the price (s) displayed is List Price.