Heavy duty filtration funnels assist in collecting solid compounds present in liquids. Poured liquids travel by vacuum suction through fritted discs or perforated plates to flow out the long, angled stems. Common Hirsh or Buchner styles with ribs prevent airlock and make operation faster. The chemical and temperature resistance permits fluted filtration funnels to accommodate harsh materials and repetitive sterilizing procedures. Models vary in capacity, porosity, and filter paper accommodating sizes.
VWR®, Disposable Paper Funnel
Supplier: VWR Collection
Made of clay-coated heavy paper stock.
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VWR®, Filter Funnels according to Dr. Hirsch
Supplier: VWR Collection
Porcelain, glased inside and out, except rim.
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VWR®, Büchner Funnels
Supplier: VWR Collection
Porcelain, glased inside and out, except rim.
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Rankem®, Büchner Funnels, Porcelain
Supplier: Transene
Made of white glazed porcelain.
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Rankem®, Funnels, with stem, plain 60° angle
Supplier: Transene
Funnel, with stem, plain 60° angle, 100 mm
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Supplier: VWR Collection
Supplier: VWR Collection