Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific

Karter Scientific is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. Set contains three of the most popular flask sizes offered by Karter Scientific. Wall Thickness: 2.5mm, Rim Thickness Range: 3.0 - 3.5mm, 3 piece economy borosilicate glass flask set. Contains 1 each 50ml, 150ml, and 250ml flasks. Perfect for users. If you have any questions or concerns, please contact us. We are happy to make it right!