• 1pc of 500ml (17oz) Boiling Flask and 1pc of Ring Support
  • Round Bottom and short neck, without graduation
  • Borosilicate 3.3 glass material to prevent cracking
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • The ring support is made of compressed cock material, O.D 120mm, I.D 68mm

I broke 2 of these accidentally. And was in a pinch to get replacements of high quality. And I couldn't be more pleased. In use as we speak. Thank you for the lightening shipping.

These worked great for a photoshoot we had for clinical skin care. :)

Better than I expected for the price.