Versatile Functionality: 2-neck flat-bottom flask is indispensable in chemical experiments, designed to enhance the ease of adding reactants and measuring temperatures during various reactions Diverse Capacity and Standardization: Available in 50/100/250/500/1000/2000 ml, each flask is equipped with 2 standard 24/40 joint, catering to a variety of experimental needs Superior Craftsmanship: crafted with meticulous attention to detail, these flasks boast a smooth surface, high transparency, and are free from imperfections like bubbles, ensuring precision in every experiment Robust Material: constructed from high borosilicate glass, these flasks are not only resistant to acids and alkalis but also offer excellent corrosion resistance; their durable nature allows for repeated reuse, making them a sustainable choice for ongoing research and experimentation; maximum withstand temperature 200°C Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied Our Labware refers to a range of equipment and containers designed for use in laboratory environments. These items are typically crafted from materials like glass, plastic, or metal to ensure durability and chemical resistance. Common examples include beakers, test tubes, flasks, and petri dishes, which are used for measuring, mixing, or storing in scientific, educational, or industrial settings.