5000mL Giant Erlenmeyer Conical Narrow Neck Flask, Beaded Rim, Extra Heavy Borosilicate Glass - Eisco Labs Glass Columns & Condensers_Air Condensers and a tapered spout

and a tapered spout

Zinc sulphide model kit whose atoms and bonds assemble into the ZnS crystal structure

Benchtop hydro-electric power station at 13 by 9 by 7

lab-grade borosilicate glass

holding a 20mm candle steady for thermal-expansion

5000mL Giant Erlenmeyer Conical Narrow Neck Flask, Beaded Rim, Extra Heavy Borosilicate Glass - Eisco Labs Glass Columns & Condensers_Air Condensers and a tapered spoutThis flask is huge. Seriously. And extremely thick and heavy. It's base is 8. 5" in diameter and it weighs over 3lbs. Hand blown premium borosilicate 3. 3 glass. 500mL graduations Eisco glassware is designed to be used in labs but is often used in homes or garages as well. Top rack dishwasher safe and autoclavable. Glass Erlenmeyer Narrow Neck Flask 5000ml, borosilicate Compatible Stoppers Click here for stopper cross reference