PYREX® Heavy Wall Filtering Erlenmeyer Flasks

PYREX® Heavy Wall Filtering Erlenmeyer Flasks without tubulation are blown in special molds, in shapes designed to give maximum mechanical strength. These flasks are graduated to show their approximate capacity. Marked "Filter Flask" to avoid confusion with similar sizes of Erlenmeyer flasks. All flasks have permanent white enamel graduations and marking spots.