Membrane
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1000ml Vacuum Filter Apparatus Lab Equipment Filter Flask Glass Filter Sand Core Liquid Solvent Membrane Filter With Rubber Tube
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Ks-Tek 12PCS Lab Bottle Top Vacuum Filtration Set: 250ml Funnel + 250ml Receiver, Sterile with 0.22/0.45μm PES Membrane
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Medical Laboratory Vacuum Filtration Kit – Glassware Buchner Funnel Flask with Manual Pump & MCE Filter for Lab Applications