Needle Seal Kit Back Catalog number: CTS-21422 Availability: In the manufacturer's stock Price on request - + Recommended CTS-0621 Inlet Check Valve Cartridge Price on request 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-11265 Kit S200 Standard Pump Seals Price on request