PYREX® Wide Mouth Erlenmeyer Flasks with Heavy Duty Rim

PYREX® Wide Mouth Erlenmeyer Flasks with Heavy Duty Rim are especially recommended for use as a titration flask. Heavy duty rims limit occurrence of chipping, and uniform wall thicknesses provide strength while maintaining resistance to thermal shock. For convenience, these borosilicate glass titration flasks are graduated to show the approximate capacity and have an extra large marking spot. Rubber stoppers not included .