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Whatman 1820-042 Binder Free Borosilicate glass Filter Paper 1.5 µm, 42.5 mm (100/Pack)1820-042$70.63Order will ship within 1-3 business days -
Whatman 1821-042 Binder Free Borosilicate glass Filter Paper1821-042$139.74Order will ship within 1-3 business days -
Whatman 1822-042 Binder Free Borosilicate glass Filter Paper 42.5 mm (100/Pack)1822-042$125.09Order will ship within 1-3 business days -
Whatman 1823-042 Binder Free Borosilicate glass Filter Paper 1.6 µm, 42.5 mm (100/Pack)1823-042$84.45Order will ship within 1-3 business days -
Whatman 1825-042 Binder Free Borosilicate glass Filter Paper 1 µm, 42.5 mm (100/Pack)1825-042$233.68Order will ship within 1-3 business days -
Whatman 1827-042 Binder Free Borosilicate glass Filter Paper 1.2 µm, 42.5 mm (100/Pack)1827-042$69.26Order will ship within 1-3 business days