These bottles are suitable for storing distrilled water and standard solutions. Bottle necks are tooled to increase mechanical strength and ensure uniform stopper fit. The 19-liter size is weight controlled to 15-lb maximum for ease of handling.

Caution: Thick-walled glassware such as jars, bottles, cylinders an filter flasks, should never be heated on a hot plate, as this greatly increases the chance of breakage.