Metering device Seal Back Catalog number: 11-3830 Availability: In the manufacturer's stock Price on request - + Recommended 11-4116 Sample Needle Kit, 15µL Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request