Pyrex® Erlenmeyer Flask, Heavy Duty, 125mL, case/12
Corning 4980-125 Pyrex Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim, 50 mL capacity-125 mL Capacity Graduation Range, Rubber Stopper Number 5, 67 mm Diameter: Amazon.com: Industrial & Scientific
PYREX ® 50 mL Narrow Mouth Erlenmeyer Flask with Phenolic Screw Cap | Glass Flasks | Erlenmeyers | Flasks | Laboratory Supplies | EMSCO Scientific Enterprises, Inc.