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.
Lead Time
- Standard Lead time: 3 - 4 working days.
- Imports: 4 - 6 Weeks
Dangerous Chemicals
Please note that an affidavit is required for the purpose of dangerous chemicals, clearly stating the intended use of the chemical.