WATERS 186004929 HPLC COLUMN PROTEIN-PAK 7 um CHROMATOGRAPHY 4.6 mm X 100 mm This lot is for oneWaters 186004929 HPLC Column Protein-Pak 7 um Chromatography 4.6 mm x 100 mm. System HPLC. Endfitting Type Waters. Application Protein. Format Column. Length 100 mm. pH Range Max 11 pH. byJuly 4, 2026