This single sterile 125 mL polycarbonate Erlenmeyer flask features a flat bottom for stability and a vented cap that allows gas exchange while preventing contamination. The flask is gamma-sterilized and meets USP Class VI compliance standards. The polycarbonate construction offers high impact resistance, minimizing breakage in demanding laboratory environments. The vented cap design makes this flask well suited for biological cultures requiring controlled airflow, as well as general chemical storage and mixing applications.