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PTFE GD/X Syringe Filters, Whatman*
Hydrophobic PTFE filters for organic-based samples. Units contain two prefilters [graded density Multigrade GMF 150 (10:1µm) and Grade GF/F (0.7µm)] that allow filtration of even the most difficult samples with minimal hand force. Choose the 13mm size for samples up to 10ml or the 25mm size for samples greater than 10ml.
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