or
VWR Spinbar Stir Bars Octagon Teflon resin-coated octagon-shaped stirring bars with molded-on pivot ring. 28.6Lx7.9Dmm.
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VWR Spinbar Stir Bars Octagon PTFE resin-coated octagon-shaped stirring bars with molded-on pivot ring. 28.6Lx7.9Dmm.
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