Confirms the product meets quality standards.

Proves the flasks have been sterilized.

While the term "proper paper" isn't a standard part of the product name, it likely refers to the or certificates required for lab compliance. Key Product Details

You can download these documents by searching for your specific (found on the packaging) on the Thermo Fisher Scientific website or the Fisher Scientific support portal .

Nunc™ EasYFlask™ Cell Culture Flasks 75 cm² | Buy Online

Polystyrene with a Nunclon Delta surface treatment to help cells stick.

The 156499 flask is a standard piece of laboratory equipment used for cell growth. culture area.

Detailed instructions for use and surface specifications.