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9.75in (248mm) Centrifuge Extractor Filter Rings (Grade 923), with 2.5in (64mm) hole diameter are for use with Gilson HM-808 and HM-806 1,500g Gilson Centrifuge Extractors and HMA-263 1,500g Gilson Centrifuge Extractor Bowl. The rings have micron retention of 20, fast filter speed, and a flow rate of 200ml/min. Sold in a package of 100.
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