General
A range of glassware made from heat resistant borosilicate glass.
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Bored Lab Grade Rubber Bung to fit 250/500ml Erlenmeyer Flasks
£1.75
A laboratory grade tapered (31mm/37mm) rubber stopper which fits a variety of vessels including the neck of both the 250ml & 500ml Erlenmeyer Flasks & the 5 gallon glass carboy.
It has a 9mm hole drilled though the centre to take an airlock.
