Corning Pyrex 4980-PACK Glass Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim (Each of 50mL, 125mL, 250mL, 500mL and 1L)
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<b>[Product Information]</b><br>
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<li>Heavy-duty rim for longer service</li>
<li>Top Style : Heavy Duty Rim</li>
<li>Flask Style : Erlenmeyer</li>
<li>Graduated scale indicates approximate volume</li>
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