Pyrex* Pear-Shaped Squibb Separatory Funnels, Polyethylene Stopper, (PS) Te
Stopper is made with a closed bottom and is of linear high density polyethylene to conform to (ground glass) stopper dimensions.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.