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Nalgene DS0320-2545 Polysulfone Reusable Bottletop Filter Holder, 250mL Capacity, Fits 45mm Neck: Science Lab Bottletop Filters: Amazon.com: Industrial & Scientific
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150 mL Rapid-Flow™ Bottle Top Filter 0.2 µm aPES membrane, 50mm dia 45mm neck | Nalgene 596-4520 | Macalaster Bicknell Company of NJ
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Thermo Scientific Nalgene DS0320-5033 PS Bottletop Filter Holder, 33 mm, 500 mL; 1/Pk from Cole-Parmer
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430512 | Corning® 500 mL Bottle Top Vacuum Filter, 0.45 µm Pore 33.2cm² CA Membrane, Fits 33 mm Diameter Necks, Sterile, 12/Case | Corning
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