A Side Arm Conical Flask, also known as a filtering or vacuum flask, is a specialized laboratory glassware used for filtration processes under reduced pressure. Made from high-quality borosilicate glass, it offers excellent resistance to heat, chemicals, and mechanical stress. The flask features a conical body with a flat base for stability and a narrow neck for easy handling. A side arm outlet is provided to connect a vacuum pump or water aspirator, enabling rapid and efficient filtration. The clear graduation markings allow approximate volume measurement. It is widely used in chemistry and biology laboratories for vacuum filtration, especially when paired with a Buchner funnel. Durable, reusable, and easy to clean, this flask is ideal for educational institutions and research labs.

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