Introducing the BrandTech Volumetric Flasks, model V675891. These Class B flasks are designed for precision and reliability in your laboratory. Made from high-quality polypropylene, they feature a durable construction that resists chemical corrosion. The screw caps ensure a secure seal, preventing any contamination or evaporation of your samples. Each flask is clearly marked for accurate measurements, making them ideal for precise volumetric analysis. Whether you're in a research lab or an educational setting, these flasks are a must-have for any scientist looking for dependable labware.