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-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-11366 Piston, High Pressure Price on request CTS-11435 Seal, Needle PEEK™ Price on request