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50pcs 2-way Stopcocks for Luer Lock and Catheter Systems, 2-way Connection Valve, for Medical and Laboratory Use, Dispos 【High-Quality Medical Grade Materials】Our Luer-related products and medical components are made from medical-grade materBest Value TEHAUX 
TEHAUX Borosilicate Glass Separatory Funnel, 125ml Conical Separatory Funnel with Joints with PTFE Stopcock, Pear Shaped High Borosilicate Glass Construction: Made of high borosilicate glass, this 125ml separatory funnel is acid and alkali rAOVIOANDY 
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