This 2500mL narrow mouth Pyrex® low form culture flask is designed for culturing organisms requiring a large surface area to volume ratio. This flask has a heavy beaded rim to protect against chipping and include a large marking spot. The neck O.D. is 38mm and takes a No. 6.5 rubber stopper. Nonsterile.
Note: Do not use this flask on a heat source smaller than the base of the flask. Uneven heating of the flask could cause breakage.