Whatman 1820 047 Glass Microfiber Binder Free Filter, 1.6 Micron, 4.3 s 100mL Flow Rate, Grade GF A, 4.7cm Diameter (Pack of 100) auspowers_batchone Finish: Chrome Plated Arts craftsOUR GUARANTEE Our Finish: Chrome Plated so you will love this product 7cm Diameter (Pack of 100) used for high efficiency general purpose laboratory filtration
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