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Cytiva/Whatman Lab Filtration Products

Available in a variety of grades and sizes.
Quantitative filter papers are the choice for gravimetric analysis. High purity hardened filters have a high wet-strength and are chemically-resistant to handle vacuum filtration or acid/alkali solutions.
Qualitative filter papers are used for liquid clarifications, analytical separations, or air and water analysis.
Glass microfiber filter papers are made entirely of borosilicate glass and contain no binders.