The USA made round bottom flasks are made of one of the highest grade glasses in America. The 55/50 opening allows for a better flow when applied to a fully assembled short path kit.
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Glassware does NOT carry any warranty. Glassware items with a defect or other issue must be identified within 3 days of arrival and USA Lab MUST be contacted. After 3 days, there will be no replacements sent for glassware items with a defect or issue.
