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This polysulfone (PSF) filter holder comes with a filter funnel and can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. It accepts 47mm membrane filters and comes with one easy-to-use no twist Nalgene vacuum gasket which can replace a number 7 or 8 rubber stopper with 9/16 inch (15mm) hole. Material: polysulfone (PSF). Nominal filter area with analytical support plate: 11.25sq cm. Nominal filter area with sterilization support plate: 13.3sq cm. Sold individually.
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