
I'm trying to find the heavy duty thick wall beakers. This is a nice beaker but not the old school heavy duty ones from the 80's.

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Graduated Erlenmeyer Glass Flask Set With Narrow Mouth - 500Ml Capacity
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Laboy Glass 500ML Single Neck Round Bottom Boiling Flask Heavy Wall With 24/40 Joint Heating Reaction Receiving Flask Organic Chemistry Lab Glassware
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