Filtration Funnels
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® Long Stem Glass Funnels
Quality, heavy-walled borosilicate funnels with reinforced edge.
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Funnel Sets
Each set includes three funnels of different sizes. Small funnels are made of polypropylene; large funnels are made of polyethylene. Sizes in small funnel set: 60 mm top dia. x 20 mm stem, 80 mm top dia. x 22 mm stem, 110 mm top dia. x 36 mm stem. Sizes in large set: 127 mm top dia. x 45 mm stem, 160 mm top dia. x 50 mm stem, 200 mm top dia. x 60 mm stem.
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Polypropylene Short Stem Funnels, 60°, Bel-Art
The external ribbing on this funnel prevents air lock.
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Economy Short Stem Funnels, Hutzler
Funnels are made of durable plastic. Funnels of top inner diameter 70-108 are polypropylene and autoclavable. Funnels with top inner diameter of 127 and 165 are polyethylene and not autoclavable.
The 165 mm size has a wide stem for quick transfers.
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Funnel Set, Dynalon
Two each of top diameter 65mm and 100mm and 120mm. All are 60° angle. Set of six.
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Economy Polypropylene Funnels, Maryland Plastics
Various sizes. Packages of 100.
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Polypropylene Funnels, Dynalon
These Polypropylene Funnels are chemical and acid resistant and can be sterilized. These funnels are offered in four different diameters/capacities to meet all your funneling needs.
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Large Utility Funnels, Hutzler
These large utility funnels will withstand temperatures up to 250°F (121°C).
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Small Polypropylene Utility Funnels, Hutzler
Various sizes. Packages of 12.
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60° Polypropylene Standard Stem Funnels, United Scientific Supplies
These clear funnels have long stems, smooth walls, and external ribs to prevent air lock.
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Glass Buret Funnell, Montclare Scientific
For filling burets. Diameter: 35 mm; total length: 60 mm; outside diameter of stem: 6 mm.