Keep my session open?
Ending In 
The session is expired
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

PYREX® Round Bottom Boiling Flasks

4280-500 4280-250
Round bottom flasks with long neck and tooled mouth.



Item # Description Unit Availability Price Quantity
470211-474 Pyrex® Round Bottom Boiling Flasks, Cap., mL: 250, Stopper No.: 5
Each Retrieving
470211-476 Pyrex® Round Bottom Boiling Flasks, Cap., mL: 500, Stopper No.: 6
Case of 12 Retrieving
Pack of 6 Retrieving


Need help?

  • Whatever you have to say, positive or negative, is important to us.
  • Providing feedback takes only seconds.
  • Your feedback will be made available to the public on the web. will publish your name as user.
You can use this name, or edit and save a nickname.
We recommend authors use their first and last initial.

Please confirm your profession

Example: Education

Please confirm your role

Example: Teacher

Please confirm your location

Example: New York, NY


Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Sort all by:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty