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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DURAN® Funnels with short stem, ribbed
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear, ribbed walls.
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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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Funnels with long stem, KIMBLE®
Supplier: KIMBLEKONTES
KIMAX®, Borosilicate glass, with 60° cone angle.
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Büchner funnels, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Funnels, with long stem, KIMBLE®
Supplier: KIMBLEKONTES
KIMAX®, borosilicate glass, with 58° cone angle.
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Filter funnel heads
Supplier: DWK Life Sciences
Filter head in DURAN® borosilicate glass 3.3, clear, PP funnel and two fluorinated rubber sealing rings.
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VWR®, Büchner Funnels
Supplier: VWR Collection
Porcelain, glased inside and out, except rim.
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Funnels, short stem, KIMAX®, KIMBLE®
Supplier: KIMBLEKONTES
Manufactured from 33 expansion, low extractable borosilicate glass.
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Filter funnels, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Funnel, plain, 60° angle, short stem, large size, PYREX®
Supplier: Corning
PYREX®, borosilicate glass.
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Micro filter funnels, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Funnels, analytical, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Drum funnels
Supplier: HIRSCHMANN
These large transparent funnels, made of PP, are suitable for filling large amounts of liquid.
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Büchner funnels, PYREX®
Supplier: Corning
PYREX®, borosilicate glass, with sintered glass disc.
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Fritted Hirsch funnels, KONTES®, KIMBLE®
Supplier: KIMBLEKONTES
Made of borosilicate glass 3.3.
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Filter apparatus according to Witt, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.