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ToToT 5pcs Disposable Medical Three Way Valve 3-Way Stopcocks with Aseptic Cock for School Projects, Hobbies DIY Experim Package includes: 5 x Disposable Medical Three Way Valve. Smoother connectionBest Value ZTZTST 
OZCZKZZ Luer Stopcocks 3-Way,Luer Connections,Sterile Individual Package,10Pcs Includes: 10pcs 3-way stopcocks with luer connections.SZEMENTMD 
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 materSZEMENTMD 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 materOZCZKZZ 
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Dcnhfdsw Pet Medical Sterile for Hospital Use 3-Way Tube Connector Stopcock with Luer Lock, Three Way Stopcock Luer Stop The base can freely rotate 360°to prevent it from loosening.Generic 
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