Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-00230-02 O-Ring, PTFE Price on request CTS-10319 Sapphire Plunger Price on request