20mm Aluminium Headspace Crimp Cap, Open Hole, Silver with Pre-fitted Pharma-Fix Moulded Grey PTFE/Butyl Septa, 3mm

Alternative to:
La-Pha-Pack: 20 03 0264, National: C4020-36AP, Agilent: 5183-4480, Fisher: 11788246, VWR: 548-0064