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LETAOSK New 10 PCS Laboratory Rubber Sealing Stopper Plug Bung Septa Septum Wine Glassware - AliExpress
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ACE GLASS 9096-243 Rubber Septa for 14/20 mm OD Tubing, Red (Pack of 144): Amazon.com: Industrial & Scientific
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Chemglass CG-3022-06 Rubber Sleeve Type Septum Stopper for 14/20-14/35 Outer Joints, Red Color (Pack of 100): Science Lab Rubber Stoppers: Amazon.com: Industrial & Scientific
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