The Pyrex® Long Neck Culture Flasks from Corning are made of borosilicate glass with flat bottom and long neck, ideal for shaker cultures. The flask neck is made from heavy-wall, rimless tubing which reduces the amount of splashed solution reaching the closure.
Specification
Material: borosilicate glass Sterility: non-sterile Cap: no Capacity: 500 mL Neck O.D.: 38 mm