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Whatman 1441-070 Quantitative, Ashless High-quality cotton linters Filter Paper 20-25 µm, 70 mm (100/Pack)1441-070$49.12Order will ship within 1-3 business days -
Whatman 1454-070 Quantitative, Hardened Low Ash High-quality cotton linters Filter Paper 20-25 µm, 70 mm (100/Pack)1454-070$49.12Order will ship within 1-3 business days -
Whatman 1541-070 Quantitative, Hardened Ashless High-quality cotton linters Filter Paper 20-25 µm, 70 mm (100/Pack)1541-070$53.51Order will ship within 1-3 business days