Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-2591 Needle Guide Price on request CTS-21264 Uncoated Needle Kit Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request