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Whatman 1441-090 Quantitative, Ashless High-quality cotton linters Filter Paper 20-25 µm, 90 mm (100/Pack)1441-090$64.23Order will ship within 1-3 business days -
Whatman 1454-090 Quantitative, Hardened Low Ash High-quality cotton linters Filter Paper 20-25 µm, 90 mm (100/Pack)1454-090$68.35Order will ship within 1-3 business days -
Whatman 1541-090 Quantitative, Hardened Ashless High-quality cotton linters Filter Paper 20-25 µm, 90 mm (100/Pack)1541-090$70.66Order will ship within 1-3 business days