Backup Seal Back Catalog number: CTS-2963 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request 11-2529 Screw, Comp., 10-32, 304SS, (Gold-Plated), 10/pk Price on request