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-3209 Syringe Seal, 250μL/2500μL Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request CTS-A117 Inlet Check Valve Price on request