DWK Life Sciences DURAN™ Iodine Flask, Erlenmeyer shape, with standard ground joint and glass stopper: Laboratory Flasks Dishes, Plates and Flasks | Fisher Scientific
Lodine flask with ground in glass stopper 50ml,Erlenmeyer flask with tick mark,Iodine volumetric flask,Triangular flask with lid|Flask| - AliExpress
Corning Pyrex #4980-500, 500ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Pack of 6): Amazon.com: Industrial & Scientific