This flat bottomed borosilicate filter flask has tubulation for ease of connection to filter pumps. It is ISO certified, has heavy-duty wall and permanent graduations. Works with #5 tapered Gucko gasket to securely tighten holding of a Buchner funnel during vacuum laboratory filtration process.
| Size | 100ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml, 10000ml, 20000ml |
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