Nalgene 4250 Polypropylene Analytical Filter Funnels accept most standard filter papers. Body of funnel is at a 60° angle with internal ribs sloped at 58° for rapid filtration. Featuring long stems and external ribbing that eliminates air lock, these funnels are a shatterproof alternative to glass and chemically resistant to a wide variety of lab chemicals and reagents. Autoclavable.
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