The Chemglass 60mL Squibb Separatory Funnel is a high-quality lab glassware item made from borosilicate glass, ideal for use in biological laboratories. This unit is designed with a stopcock stopper for easy separation and filtration of liquids. Originating from the United States, this product is reliable and efficient for various scientific applications. It is essential to note that this product may pose a health risk to California residents due to potential cancer and reproductive harm, as indicated by the California Prop 65 Warning.