HomeHPLC Replacement PartsSparge DiffuserSparge Diffuser Sparge Diffuser Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB155 OEM Part WAT007272 Models: 515, 600, 610, 626, 2690, 2690D, 2695, 2695D, 2790, 2795, 2796, Alliance®