StonyLab Glass 250ml Long Neck Flat Bottom Flask, Borosilicate Glass Heavy Wall Flat Bottom Boiling Flask with Long Neck, 250ml 250 ml auspowers_batchtwo Include 3 pcs tempered glass

Include 3 pcs tempered glass screen protectors

The rigid construction is less prone to failure and decreases installation time

so it is healthy and safety to you

CW2C-10A-T Rated Voltage AC 115V/250V

StonyLab Glass 250ml Long Neck Flat Bottom Flask, Borosilicate Glass Heavy Wall Flat Bottom Boiling Flask with Long Neck, 250ml 250 ml auspowers_batchtwo Include 3 pcs tempered glassStonyLab Glass 250ml Long Neck Flat Bottom Flask, Borosilicate Glass Heavy Wall Flat Bottom Boiling Flask with Long Neck, 250ml Precautions: 1. When heating the flask, please use a wire gauze with ceramic center to separate it from flame, or heat it with an electric heating mantle to ensure evenly heated; 2. Dry the outer wall of flask before heating 3. After the experiment, remove all the catheter first (if any) to prevent backflow, then the heat