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-11091 ACQUITY BSM Performance Maintenance Kit Price on request 11-1598 Check Valve Assembly, Inlet Price on request CTS-11080 Alliant Solvent Mgr PM Kit Price on request