ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Back Catalog number: CTS-21240 Availability: In the manufacturer's stock Price on request - + Recommended 11-4133 Gold Plunger Seal Price on request CTS-10989 Face Seals, 4/pk Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request