Backup Seal Back Catalog number: CTS-2963 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3321 Wash Seal Gasket, 6/pk Price on request CTS-10475 Sapphire Plunger Kit Price on request 11-3332 100μL Syringe for WPS-3000 Series Price on request