Pharma-Fix Moulded Grey PTFE/Butyl Septa, 20mm x 3mm for 20mm Aluminium Seals

Alternative to:
La-Pha-Pack: 20 02 0035, Chromacol: 20-CBT3B, National: C4020-36, Agilent: 9301-0976, Fisher: 11815020, VWR: 548-0568, Waters: PSL414168