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 1L Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, 3/pk: Amazon.com: Industrial & Scientific
4L Corning PYREX Erlenmeyer Flask | 4000 ml glass
PYREX® 1000 mL Erlenmeyer Flask with 40/35 Standard Taper Joint, without Tubulation | COR1-33985-1L | Macalaster Bicknell Company of NJ
PYREX ® 50 mL Narrow Mouth Erlenmeyer Flask with Phenolic Screw Cap | Glass Flasks | Erlenmeyers | Flasks | Laboratory Supplies | EMSCO Scientific Enterprises, Inc.
Pyrex Glass Flask Starter Set - Cole-Parmer
4980-50 | PYREX® 50 mL Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim | Corning