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PYREX 250mL Kuderna-Danish Replacement Flask with Hooks, 24-40 Outer Standard Taper Joint, 19-22 Inner Standard Taper Joint, Includes a pair of 2.75 inch Stainless Steel Springs, 1 per Pack, 4 per Case.
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The complete apparatus consists of a 3-Ball Snyder column (with 24/40 joints), a flask (with 24/40 tops and 19/22 lower joint) and a graduated tube (with 19/22 joints). If further concentration is desired, select a 2-Ball column and combine with the KD tube of your choice. The 250 mL and 500 mL completes include a 10 mL tube. The 1000 mL complete includes a 25 mL tube.
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