Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21147 Inlet Check Valve Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request 11-3834 Pump Seal, PE Price on request