Filter Flask Buchner Funnel Vacuum Sealing Adapters Cone Shaped Rubber 8-Sizes


Size: Set of all 8 sizes
Sale price$13.99 USD
In stock (30 units), ready to be shipped


Flask Filter Adapters 

Buchner Funnels used with vacuum filtering requires sealing adapters to enable secured attachment between flasks and funnels, to ensure steady, leak-proof transfer of solutions. these cone shaped filtering flasks sealing adapters can be used singly or nested together to provide the perfect seal.

Lab adapters are also used as seals with funnels, and protection against direct glass to glass contact between various types of glassware, anything requiring a damage proof and spill proof transfer. Available in eight sizes designed to fit the following conical or filter flasks. Adapters may be purchased in singles sizes or as a set with all eight sizes.

Rubber Sealing Adapters come in tan as shown. Filter Flasks are made of hand blown borosilicate glass and dimension differences often exist, in some situations two adapters nested together may be required. TN LAB Buchner Funnel Kits are always hand-fitted with the exact sealing adapter. Often the best approach is to invest in a full set of vacuum adapters to address any potential sealing issues. 

Adapter Sizing

  • Adapter #1: 
  • Adapter #2: 
  • Adapter #3: fits our 250ml filter flask
  • Adapter #3: fits our 500 ml filter flask
  • Adapter #4: fits our 80mm Buchner Funnel, 500ml filter flask, and 1000ml filter flask
  • Adapter #5: fits our 120mm Buchner Funnel, 2000ml filter flask and 3000ml filter flask
  • Adapter #6: fits our 150mm Buchner Funnel and 5000 ml filter flask
  • Adapter #7: fits our 250mm Buchner Funnel and 10000 ml filter flask
  • Adapter #8

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