Rvfm glass funnel with long stem 50mm single
Long stem borosilicate glass filter funnels rvfm 153010050 borosilicate glass laboratory funnels with long stems the longer non tapering stems of these funnels are useful when using funnels with tubing and when mounting them in bungs for use with flasks bottles and retorts etc rvfm glass funnel with long stem 50mm single
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