★ Both sides are engraved with horizontal and vertical scales. Additional scales are provided to indicate the maximum (MAX), optimum (IDEAL), and minimum (MIN) capacity, which is convenient to control the liquid amount of the medium in the bottle;

★ The special body design is convenient for more even gas exchange and temperature balance;

★ The Inclined neck design greatly facilitates the operation of the experiment,effectively reduce the blind area of liquid absorption;

★ Frosted texture design, convenient for direct writing during experiment；

★ Stackable, and the high skirt on the back enables the culture bottles to be stable stacked, the support bar at the bottom of the bottle ensures that it is vertical when standing；

★ The breathable cap is equipped with a 0.22μm PVDF hydrophobic membrane, which can effectively prevent bacteria and ensure gas exchange; the sealed cap has an arrow mark, which is easy to identify the gas exchange status；

★ The large thread design of the bottle cap can effectively prevent the bottle cap from rolling on the placing table, reducing unnecessary trouble and increasing the safety of the experiment.

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The following is the common specifications, more specifications can be contacted for detailed communication.