These baffled culture shake flasks are designed for use with rotary and reciprocating shakers where baffle indents provide greater turbulence to improve oxygen transfer rates or aeration.

• Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
• All flasks have durable white ceramic enamel marking spots
• Flask has a neck with a plain fire-polished finish and suitable for a metal cap, plastic cap, foam plug or cotton plug
• Flasks feature 3 baffles