Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-6613 Black Plunger Seal Price on request CTS-11092 O-Ring, PTFE Price on request CTS-10772 Pump Seals, Low Pressure Price on request