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Simport T347AQX - X-Septum Screw Caps for Microcentrifuge Tubes / Qty 250 – Distribution LabSphere inc.
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Simport T347AQX Polypropylene Septum Screw Cap for Microcentrifuge Tube (Pack of 250): Science Lab Cap Plugs: Amazon.com: Industrial & Scientific
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Fisherbrand™ 20mm Crimp Seal, Silver, Headspace Cap (Pressure release cap), Assembled septum Silicone/PTFE white/beige,3.2mm thickness,45° shore A Fisherbrand™ 20mm Crimp Seal, Silver, Headspace Cap (Pressure release cap), Assembled septum | Fisher ...
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