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GVS Life Sciences 3031293 Hydrophobic PTFE Filter Membrane 0.45 µm, 257 mm (25/Pack)GVS Life Sciences3031293$399.88Order will ship within 1-3 business days -
Whatman 1823-257 Binder Free Borosilicate glass Filter Paper 1 µm, 257 mm (25/Pack)1823-257$226.87Order will ship within 1-3 business days -
Whatman 1825-257 Binder Free Borosilicate glass Filter Paper 1.2 µm, 257 mm (25/Pack)1825-257$1,005.46Order will ship within 1-3 business days