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-5559 Priming Syringe Needle Price on request CTS-1010T O-Ring, TFE Price on request CTS-10597 Wash Tube Seal Kit, 4/pk Price on request