Commonly used in serum production and ideal for use in organism cultures that require a large surface area to volume ratio, these flasks are available with a beaded rim, GL 45 screw thread, or Delong style neck for accommodating various style stoppers and plugs.

• Delong style neck reduces splashing to the cap, when on shaker
• Beaded rim style provides increased durability to the flask
• Baffles, spaced at 120°, allow for increased oxygen transfer to the Culture medium when used in conjunction with a shaker
• Autoclavable

Type 1, Class A borosilicate glass construction. Environmentally sustainable when compared to plastic.