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Laboratory Equipment-Filter Papers Quantitative, Hardened Ashless Grade No. 540 | Livingstone International Healthcare, Laboratory, Pharmacy, Medical Supplies Order Online
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Labasics Quantitative Filter Paper Circles, 55 mm Diameter Cellulose Filter Paper with 15 to 20 Micron Particle Retention Medium Filtration Speed, Pack of 100: Amazon.com: Industrial & Scientific
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Whatman Grade 1 Qualitative Filter Paper Circles (Diameter: 24cm, Pore Size: 11 um) - NEW Emerald Scientific
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