Rotor Seal Back Catalog number: CTS-A106 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-10584 Ceramic Plunger Assembly Price on request CTS-10475-1 Sapphire Plunger Price on request