Face Seals, 4/pk Back Catalog number: CTS-10989 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-10323 Sapphire Plunger Price on request CTS-21163 Rotor Seal, 2-Groove Price on request