Filtering Funnels

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  • The Vac-Ring Filter Seal is a black neoprene gasket that fits Buchner funnel stems up to 22mm (7/8") diameter. Increase filtration flow rate by blocking ambient air flow during vacuum filtration. Fits Buchner funnels on vacuum flasks and regular funnels used over beakers

  • Table-top Buchner funnels with coarse porosity (90-130 microns) with a removable punctured filter plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes are 4.8mm (3/16") diameter on 11mm (7/16") centers. A removable filter plate allows easier cleaning and…

  • Easy-to-clean two-piece, polypropylene plastic Buchner funnels include a molded in perforated plate. Lightweight; not top-heavy Steam autoclavable at 121°C (250°F) Use with Vac-Ring Filter Seal (1189N06) for quick filter setup

  • Table-top Buchner funnels with medium porosity (45-90 microns) fixed filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes are 4.8mm…

  • Flast flowing with Fritware® Porous Plates HDPE with sealed-in, polyethylene filter plate of coarse porosity (90-130 microns) Offer good retention and fast flow under vacuum Can be used with or without filter paper Use below 52°C (125°F)

  • Table-top Buchner funnels with coarse porosity (90-130 microns) with removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes…

  • Table-top Buchner funnels with medium porosity (45-90 microns) (90-130 microns) removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16")…

  • Durable, versatile, assorted sizes Sturdy, polypropylene funnels Ridges help prevent vapor lock Recommended highly for continuous labwork Steam autoclavable at 121°C (250°F)

  • Unsurpassed for non-vacuum, high-speed filtration, these clear funnels have internal helicoid ribs to increase the filtration speed. Vertical outer ribs prevent airlock Autoclavable polymethylpentene plastic; unaffected by corrosive liquids Heat resistant to 177ºC (350ºF)

  • Specifically designed for use with 18, 24 and 36" Buchner Funnels, apply slight downward pressure and ‘sweep’ the trowel along the surface of the precipitate to quickly and efficiently smooth fissures appearing during the filtration process. Large surface area smooths fissures faster …

  • Filter large volumes quickly Filter large volumes quickly with a polyethylene plastic Table-Top Buchner Funnel using your choice of Fritware® or Perforated filter plate. Removable hose barbed connector accepts 12.7mm (1/2") I.D. tube and threads into 3/4" NPT bung on the…

  • 60° Cone Heavy-duty polypropylene with smooth walls xternal ribs prevent air lock Steam autoclavable at 121°C (250°F)

  • Buchner funnels available with medium porosity (45-90 microns) or coarse porosity (90-130 microns). Fixed and removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. Buchner funnels are also available…

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