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.
Büchner funnels, Hartley pattern
Supplier: DIXON SCIENTIFIC
Top and base: Borosilicate glass with support plate.
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Funnels, vacuum, according to Dr. Hirsch
Supplier: SciLabware
PYREX® borosilicate glass.
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Funnels with short stem
Supplier: SEMADENI
Made of PE, transparent, with rapid flow through at 60° angle.
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Funnels for drums
Supplier: asecos
Drum funnel, PE, with sieve, with Ø 580 mm, and filling capacity 5 l
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Funnels with short stem
Supplier: SEMADENI
Funnels, made of HDPE, with smooth internal walls. Robust and strong. Multipurpose funnel for a wide variety of uses. Suspension eye for easy storage.
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Funnels, with short stem, PP
Supplier: SEMADENI
Funnels, made of PP, translucent, with slim stem.
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Powder funnels, Quickfit®
Supplier: SciLabware
PYREX®, borosilicate glass, stem with cone.
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Micro filter funnels
Supplier: SciLabware
Micro funnels, with sintered disc, made of PYREX® borosilicate glass.
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Funnels with short stem
Supplier: Roth Carl
Funnels, made of natural coloured HDPE, with smooth surface.
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: Integra
: Kova International
: VWR Collection
: VWR Collection
: VWR Collection
: VWR Collection
: SARTORIUS
: Corning
: Thermo Fisher Scientific
: NANOENTEK
: FACELLITATE
: VWR Chemicals
: Beckman Coulter
: Cytiva