Check Valve Cartridge, Ceramic Ball & Seat, 2/pkHPLC Replacement Parts, Pump Parts SpecificationsW&B Part #WB51124011Comp. to OEM #700002399Product DetailsCheck Valve Cartridge, Ceramic Ball & Seat, 2/pkCompatibilityBrands (OEMs)ModelsWaters510, 515, 600, 610, 1515, 1525, 2690, 2690D, 2695, 2695D, 2795, Alliance