11mm Silver Seal, 1mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed 5150UL-11

11mm Aluminum Seals – Ultra Low Bleed Septa.Finneran’s Ultra Low Bleed Aluminum Seals are lined using a LCMS high purity septa. Ideal for very sensitive applications such as Mass Spec or when multiple injections are required. Our Ultra Low Bleed Seals eliminate particulates with no interfering peaks