It is a precision-calibrated laboratory flask ideal for preparing accurate solution volumes. Manufactured from high-quality borosilicate glass (Boro 3.3), it offers excellent chemical and thermal resistance. The amber coating provides protection against light-sensitive substances, and the flask is supplied with a polypropylene (PP) stopper to ensure secure sealing. This Class A flask is individually certified according to USP standards, making it suitable for pharmaceutical, chemical, and analytical applications requiring strict volume accuracy.