8mm Aluminium Crimp Cap, (Silver) with Clear PTFE/Natural Rubber Septa, 1mm

Alternative to:
La-Pha-Pack: 08 03 0451, Chromacol: 8-AC7, National: C4008-1A, Agilent: 5183-4489, Fisher: 11797557, VWR: 548-0041, Waters: PSL408008