Description This laboratory boiling flask is manufactured with high grade glass material, ensure its durability and practicability, so that it can serve you for a long time. These laboratory bottles are convenient and easy- operation. perfect for laboratory,, school, etc. Features - Color: Transparent -Material:Glass - Size: 14.00X7.00X7.00cm/5.50X2.75X2.75in -Capacity:150ml -Very suitable for simple distillation, steam distillation, fractional distillation, boiling and more. -Transparent bottle body design makes it easy to observe the change and residual of inner liquid. -This kind of flask can ensure your safety, let the liquid be heated or boiled more evenly and not easily broken. -Widely used in education, chemistry, research or life science applications, etc. Convenient and easy to use. -Use premium glass material, strong and durable, which has high temperature resistance and easy to clean. Very suitable for simple distillation, steam distillation, fractional distillation, boiling and more. Transparent bottle body design makes it easy to observe the change and residual of inner liquid. This kind of flask can ensure your safety, let the liquid be heated or boiled more evenly and not easily broken. Widely used in education, chemistry, research or life science applications, etc. Convenient and easy to use. Use premium glass material, strong and durable, which has high temperature resistance and easy to clean.