PYREX™ Bell Jars with Top Knob and Ground Flange
Ground finish bottom flange ensures tight seal
Supplier: PYREX™ 6885222
These bell jars are made from specially selected mold-blown blanks. The bottom flange has a finely ground finish to assure tight sealing with ground glass plates. Rated 1-Atmosphere Vacuum. Do not use with heat or pressure applications.
|Top Knob and Ground Flange|
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