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-10686 Needle Seal, Vespel® Price on request CTS-21129 Check Valve, Ti, Price on request 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request