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Whatman 1450-240 Quantitative, Hardened Low Ash High-quality cotton linters Filter Paper 2.7 µm, 240 mm (100/Pack)1450-240$245.94Order will ship within 1-3 business days -
Whatman 1542-240 Quantitative, Hardened Ashless High-quality cotton linters Filter Paper 2.7 µm, 240 mm (100/Pack)1542-240$319.61Order will ship within 1-3 business days -
Whatman 1827-240 Binder Free Borosilicate glass Filter Paper 2.7 µm, 240 mm (100/Pack)1827-240$862.95Order will ship within 1-3 business days