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FILTER PAPER - Whatman Grade No. 42, Quantitative, Ashless, Fine Retention, 1442-042, 4.25

Fine retention and slow flow rate. Particle retention 2.5µm. Well suited for gravimetric analysis where fine particle retention is critical. 42- 4.25CM DIAMETER
Specifications Whatman No. 1442-042 Diameter, cm 4.25