2-Neck Round Bottom Flask with 24/40 Joint, 1000ml Borosilicate Glass Boiling Flask for Heating Reflux Distillation - Heat & Acid Resistant Lab Glassware Tight Connector

1-year limited manufacturer warranty

• Made from borosilicate glass, this two-neck flask is heat resistant and resists acid and alkali corrosion, ideal for reflux reactions, distillation, solution heating and gas inlet
• The main neck connects to a condenser or addition apparatus, while the side neck accommodates a thermometer, addition (dropping) funnel, or gas inlet/outlet, easily handling complex reaction setups
• Equipped with standard 24/40 tapered ground glass joints, ensuring universal compatibility, secure connections, and reduced risks of gas leakage and operational failures
• The round bottom design promotes even heat distribution, minimizes hotspots, and is suitable for heating with heating mantles or similar equipment
• Available in various sizes to match needs from small-scale tests to scale-up experiments