ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Back Catalog number: CTS-21240 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10759 Piston Seal Backup Ring Price on request CTS-1042 Plunger Insertion Tool Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request