Bel-Art SAFE-LAB Teflon Resin Stoppers Solid SCIENCEWARE 201961502. The SAFE-LAB Solid Teflon PTFE Plastic Stopper with Extracting Nut features a large flame arrester and a flanged lip which prevents the needle from slipping as well as a bursting nut...
Bel-Art SAFE-LAB Teflon Resin Stoppers Solid SCIENCEWARE 201961502. The SAFE-LAB Solid Teflon PTFE Plastic Stopper with Extracting Nut features a large flame arrester and a flanged lip which prevents the needle from slipping as well as a bursting nut...
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