Home » News » Vials Septa » UK vial septa with caps Vials and caps - Separations N 8 septa for screw caps N 8 REF Cap description Septum description Hardness Thickness Pack of 70261 - (septa only) PTFE virginal, white 53 shore D 0.25 mm 100 / PE bag 702070 - (septa only) Red Rubber / FEP colorless 45 shore A 1.3 mm 100 / PE bag