Ajax Scientific Glass Pear Shape Separatory Funnel with Teflon Stopcock and Stopper, 250mL Go to amazon.com Related posts Which is the best separatory funnel 250ml? FeaturePear shape separatory funnelMade of borosilicate glass with Teflon stopcockInterchangeable glass stoppers with plain stem250-milliliters Capacity DescriptionAjax Scientific pear shape separatory funnel. Pear shape separatory funnel. Made of borosilicate glass with Teflon stopcock. Interchangeable glass stoppers with plain stem. 250-milliliters Capacity.