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Hydrophobic PTFE Syringe Filters 13mm Diameter 0.22μm Pore Size for Laboratory Filtration by Finetech (Pack of 100) Made in Taiwan (PTFE Hydrophobic 13mm 0.22um, 100): Amazon.com: Industrial & Scientific
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Fisherbrand™ PTFE Filter Membranes Pore Size: 0.2um; Dia.: 47mm; Plain disc Fisherbrand™ PTFE Filter Membranes | Fisher Scientific
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PTFE Membrane Filter, Diameter 47 mm, 0.1 um, Hydrophilic Double Sided Microporous Membrane, Non-sterile, Pack of 50: Amazon.com: Industrial & Scientific
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10411211 Whatman 10411211 Hydrophobic PTFE Filter Membrane 1 µm, 47 mm (50/Pack) New Laboratory Setup Savings - up to 40%, Magnetic Stirrer, Vortex Mixer, Sample Prep, Centrifuge
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