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 PL7050600 MarvelXACT PLS 50µm x 600mm Price on request 11-1599 Check Valve Assembly, Outlet Price on request