Rotor Seal, 2-Groove Back Catalog number: CTS-21163 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10987 717 Performance Maintenance Kit Price on request 11-3332 100μL Syringe for WPS-3000 Series Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request