Borosilicate Glass Round Bottom Flask, Joint 24/40, 25ml-5000ml Capacity,. Introducing Our Single Neck Round Bottom Ball Flask, Expertly Crafted from High-quality Borosilicate Glass. Available in Capacities Ranging from 25mL to 5000mL, This Flask Features a Standard 24/40 Joint. The Thick Wall Design Ensures Uniformity and Durability, Offering Excellent Heat Conduction and Resistance to Breakage During Cleaning. Each Model is Manually Blown for Precision and Resilience, Making It an Essential Tool for Laboratories and Chemical Experiments. Features: - Material: Borosilicate Glass - Joint Size: 24/40 - Capacity: 25mL - 5000mL - Thick Wall for Uniformity and Durability - Excellent Heat Conduction - Manually Blown for Precision - Highly Resistant to Breakage During Cleaning. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.