Made with durable borosilicate 3.3 glass, these Erlenmeyer flasks are suitable for most applications. They feature a heavy-duty beaded rim to help prevent breakage and have easy-to-read graduations. Able to withstand temperatures of -50 to 550 °C (-58 to 1022 °F), they are autoclavable for sterilization.

In the lab world, these flasks are known as "Student Grade". Student grade is not the highest grade flasks and will have minor defects.

Specs:

• Material: Borosilicate Glass
• Capacity (mL): 125
• Capacity (oz): 4
• Min Graduation (mL): 50
• Max Graduation (mL): 125
• Graduation Interval (mL): 20
• Overall Height (in): 4 59/64
• Overall Height (cm): 12.5
• Top Outside Diameter (mm): 22
• Autoclavable: Yes
• Base Diameter (cm): 7.2
• Inside Rim Diameter (mm): 20