Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11092 O-Ring, PTFE Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request