Fernbach-style culture flask is ideal for culturing organisms that require a large surface area-to-volume ratio, and in serum production
Caution: Do not use this flask on a heat source smaller than the base of the flask. Uneven heating of the flask could cause breakage.
Large marking spot allows for accurate labeling and easy identification. Flask bottom has three baffles at center on outside for maximal oxygen transfer to culture medium. Rimless, wide mouth, Delong-style neck is for use with plastic or stainless steel closures.