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Whatman 7184-014 Hydrophilic Cellulose Nitrate Filter Membrane 0.45 µm, 142 mm (25/Pack)7184-014$387.60Order will ship within 1-3 business days -
Whatman 800307 Hydrophilic Nuclepore Polycarbonate Filter Membrane 0.03 µm, 19 mm (100/Pack)800307$269.77Order will ship within 1-3 business days -
Whatman 800308 Hydrophilic Nuclepore Polycarbonate Filter Membrane 0.05 µm, 19 mm (100/Pack)800308$242.39Order will ship within 1-3 business days