Capacity: 50ml, 150ml, 250ml Flasks; Scale interval is 50ml.
Material: Heavy-duty 3.3 borosilicate glass, uniform thickness, no special distortion on flasks. The flasks edges are intact and no cracks.
Standard scale help you to accurately measure the liquid volume. You can read values quickly without errors. Perfect for beginners or professional use.
The high temperatures and corrosion resistant glass flask will have no chemical reactions with liquids. You can save the cost by cleaning and reusing flasks.
Multi-uses: Flasks sets can be used in the laboratory, classroom teaching, gardening drug measurements, etc.