PTFE (white)Septa, 12mm x 0.20mm, for 13-425 Screw Caps

Alternative to:
La-Pha-Pack: 12 02 0168, Chromacol: 12-T02, National: C4015-10, Agilent: 5183-4459, Fisher: 11804950, VWR: 548-0111, Waters: WAT072714 + WAT073005