Needle Seal, SIL-30AC, SIL-30ACMP Back Catalog number: 11-4052 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-A159 Inlet Check Valve Price on request 11-4063 Outlet Check Valve Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request