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Whatman 1450-090 Quantitative, Hardened Low Ash High-quality cotton linters Filter Paper 2.7 µm, 90 mm (100/Pack)1450-090$64.23Order will ship within 1-3 business days -
Whatman 1542-090 Quantitative, Hardened Ashless High-quality cotton linters Filter Paper 2.7 µm, 90 mm (100/Pack)1542-090$70.66Order will ship within 1-3 business days -
Whatman 1827-090 Binder Free Borosilicate glass Filter Paper 2.7 µm, 90 mm (100/Pack)1827-090$170.14Order will ship within 1-3 business days