Rotor Seal Back Catalog number: CTS-10942 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request 11-4133 Gold Plunger Seal Price on request CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request