ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Back Catalog number: CTS-21240 Availability: In the manufacturer's stock Price on request - + Recommended 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-2963 Backup Seal Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request