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Whatman 7402-004 Hydrophilic Nylon Filter Membrane 0.2 µm, 47 mm (100/Pack)7402-004$256.82Order will ship within 1-3 business days -
Whatman 7404-004 Hydrophilic Nylon Filter Membrane 0.45 µm, 47 mm (100/Pack)7404-004$267.68Order will ship within 1-3 business days -
Whatman 7408-004 Hydrophilic Nylon Filter Membrane 0.8 µm, 47 mm (100/Pack)7408-004$286.31Order will ship within 1-3 business days