Heavy duty bottle which can be used for storage as well as mixing and sampling. 

Glass bead indicates full capacity line on 100mL through 2L size. 

Bottles have permanent white enamel graduations and marking spots. 

Optional red PBT caps and red ETFE pouring rings are available for dry heat sterilization (180°C). 

CAUTION: Bottles larger than 2L should NOT be used with bottle top filter units, or in other applications involving vacuum pressure, as breakage may occur. DO NOT have caps tightened immediately after autoclaving as the vacuum resulting from cooling can cause breakage. A pouring ring is not included on 25mL size. A vented cap is NOT recommended for use on the 5L and 10L bottle.