Filter Papers, 2.25 x 12.25 in, 4.5cm, 50cm
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We offer a complete range of Whatman cellulose filter papers, glass and quartz fiber filters, quantitative filters and membrane filters.
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Whatman Grade GF/B Glass Microfiber Prefilters, 2.25 x 12.25 in Sheets, 100 pack, 1821-271Regular Price $609.00 Price $538.60
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Whatman Grade QM-A Quartz Air Sampling Filter, 45 mm Circle, 100 Pack, 1851-045Regular Price $238.00 Price $188.50