Ahlstrom Filtration Grade 54 Ashless Quantitative Filter Paper, 11 cm dia

Quantitative Filter Paper, 11 cm dia, Cotton, Grade 54, Ashless Grade Type, Circle Format, 0.241 mm Thickness, 10 µm Particle Retention in Liquid, 87.8 g/m2 Nominal Basis Weight, 34 sec/100 ml (Herzberg) Filtration Speed

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